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MBA - First Semester > 5. Quantitative Techniques and Analytics > Flashcards

5. Quantitative Techniques and Analytics Flashcards

1
Q

Which one is a one-dimensional diagram?

A

Bar diagram

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2
Q

Another name for a cumulative frequency polygon is:

A

Ogives

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3
Q

___________ include scales wherein the researchers ask the respondents for their relative preference between two or more objects.

A

Comparative scales

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4
Q

The broader classification of tables is into__________ types.

A

Two

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5
Q

__________ is the scale that contains absolute or true zero, which implies the absence of any trait.

A

Ratio

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6
Q

Histogram can be drawn only for:

A

Continuous frequency

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7
Q

Another name for a sector diagram is a:

A

Pie chart

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8
Q

What is the shape of a pie chart?

A

Circle

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9
Q

A polygon can be drawn from a:

A

Histogram

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10
Q

_____________ are the commonly used graphical presentations for the set of statistical distributions.

A

Frequency polygons

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11
Q

Ogives can help locate graphically the:

A

Median

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12
Q

The histogram is an efficient means for representing:

A

Median

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13
Q

In _________ scale, the variables are named or labelled in no specific order. This is the measurement scale in which numbers are assigned to things, beings or events to classify or identify or label them.

A

Nominal

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14
Q

Bar diagram is suitable for presenting:

A

Single variable

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15
Q

In ______________ approach of ranking scale, the respondents are asked to rank their choices according to their preferences.

A

Rank order

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16
Q

Mode = 3 Median−________ Mean

A

2

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17
Q

The sum of deviation of value from their mean is equal to:

A

0

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18
Q

Which of the following is not a common measure of central tendency?

A

Range

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19
Q

The mode of the numbers 8, 8, 10, 8, 10, 15, 15, 15, 10 is

A

8 and 10

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20
Q

Calculate Median from the following data set: 6, 4, 2, 3, 4, 5, 5, 4

A

4

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21
Q

The sum of squares of deviations of different values from their arithmetic mean is

A

Minimum

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22
Q

Which of the following is the geometric mean of 2, 4, and 8?

A

4

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23
Q

Which of the following is true?

A

Notation for mode is Z

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24
Q

Calculate median from the following data set: 5, 5, 11, 9, 8, 5, 8

A

8

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25
Q

The positional measure of central tendency

A

Median

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26
Q

The average of all the observations in a data set is known as:

A

Mean

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27
Q

If each item is reduced by 9, Arithmetic Mean is

A

Decreased by 9

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28
Q

Which of the following is the value that most often occurs in a dataset?

A

Mode

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29
Q 
Which of the following is the mode (Z) when the following data is converted into an ordinary frequency table?
2 students get less than 4 marks 
5 students get less than 8 marks
13 students get less than 12 marks 
16 students get less than 16 marks 
20 students get less than 20 marks
A

Z = 10

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30
Q

Q2 is ____________.

A

Median

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31
Q

Quartiles divide the entire set into ____________ equal parts.

A

Four

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32
Q

Quartiles are the values that divide a list of numerical data into ____________ quarters.

A

Three

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33
Q

The measures of dispersion can be used to study the dispersed values near the____________value.

A

Mean

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34
Q

The ____________can be calculated by dividing SD with the mean of the series.

A

Coefficient of SD

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35
Q

The ____________ is half of the distance between the third and the first quartile.

A

Quartile deviation

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36
Q

The average of the squared differences from the Mean is called ____________.

A

Variance

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37
Q

The coefficient of ____________ is a measure of relative variability.

A

Variation

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38
Q

An ____________ measures of dispersion contain the same unit as the original data set.

A

Absolute

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39
Q

Measures of dispersion are also known as the averages of the ____________.

A

‘Second order’

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40
Q

____________ represents the difference between the highest value and the lowest value in a data series.

A

Range

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41
Q

The ____________ is defined as a statistical measure that is used to calculate the average deviation from the mean value of the given data set.

A

Mean deviation

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42
Q

Lower quartile is denoted by ____________.

A

Q1

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43
Q

The probability of the intersection is called the_________probability.

A

Joint

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44
Q

Association with_________contributed to very slow and sporadic growth of probability theory as a mathematical discipline.

A

Gambling

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45
Q

The _________ had its origin in gambling and games of chance.

A

Theory of probability

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46
Q

In the binomial distribution, each trial is known as a _________ trial.

A

Bernoulli

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47
Q

Blaise Pascal and Pierre de Fermat emphasised the development of_________and probability theory.

A

Combinations

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48
Q

A_________for an event E is said to be the set of all outcomes which are not included in a particular set of outcomes for event E.

A

Compliment

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49
Q

A probability distribution is a summary of all probabilities for a value of _________variable.

A

Random

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50
Q

When the outcomes in a permutation can be repeated it can be referred to it as permutations with _________.

A

Repetition

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51
Q

The specific multiplication rule is simple but it is applicable only when two events are _________.

A

Independent

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52
Q

_________ is another event that occurs as a result of combining other events.

A

Union

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53
Q

Businesses work in an_________environment.

A

Uncertain

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54
Q

The_________distribution function is used when there are random variables occurring or random events occurring at a certain rate over some time.

A

Poisson

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55
Q

In probability theory, we have different_________rules under certain conditions namely specific rule and general rule.

A

Multiplication

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56
Q

A _________ refers to a number that exhibits the chance or likelihood that a certain event will happen.

A

Probability

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57
Q

The formula for the probability is:

A

Probability (P) = Favourable Outcome(s)

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58
Q

_______ correlation refers to the correlation between two data series in which the data is ranked.

A

Rank

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59
Q

Whenever one variable change in a particular direction, the change in another variable is _______ .

A

Inevitable

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60
Q

_______ is employed as a widely used and reliable method of analysing the linear relation between variants.

A

Correlation

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61
Q

When there is the relation between the variables, it has been said that the variables are _______ .

A

Correlated

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62
Q

A _______ correlation infers that two or more variables have a strong relationship with each other.

A

High

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63
Q

When the change in one variable results in the change in another variable in the same direction is it said to have _______ .

A

Positive correlation

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64
Q

Correlation refers to the_______ interrelatedness between two variables.

A

Linear

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65
Q

A _______ correlation implies that the variables are hardly associated.

A

Weak

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66
Q

A _______ diagram graphically presents the relation or the association without significantly, providing numerical value for comparison.

A

Scatter

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67
Q

_______ correlation is used to find the degree of the linear relationship between two variables.

A

Simple

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68
Q

When the change in one variable is in one direction but the change in another variable is just opposite to it, it is called as _______ .

A

Negative correlation

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69
Q

It is acceptable that there are various methods of establishing an association between the _______ .

A

Variable

70
Q

Hypothesis t represents a tentative relationship between two or more ________ .

A

Variables

71
Q

Hypothesis is a proposed explanation given for a/an ________ situation.

A

Observed

72
Q

heprocedure to utilise test statistics to check whether a hypothesis is ________ is known as hypothesis testing.

A

True

73
Q

A hypothesis refers to an ________ that is made in the population parameter and a sample statistic is used to verify the same.

A

Assumption

74
Q

________ test is a part of directional hypothesis that talks not only about the relationship between two variables but also the direction of relationship.

A

One-tailed

75
Q

A ________ statement is derived from a problem statement.

A

Hypothesis

76
Q

________ tests which make assumptions about the parameters of the population from which a sample is derived.

A

Parametric

77
Q

________ is used to compare the ratio of variances of two samples under study.

A

F-test

78
Q

A hypothesis refers to an assumption that is made in the population parameter and a ________ statistic is used to verify the same.

A

Sample

79
Q

Hypothesis is a very useful ________ to solve various research problems and issues.

A

Tool

80
Q

Hypothesis is a specificprediction, which can be ________ .

A

Tested

81
Q

Hypothesis testing assists the researcher in deriving ________ results, as it takes into consideration the errors due to sampling.

A

Realistic

82
Q

hypothesis is a very useful tool to solvevarious research ________ and issues.

A

Problems

83
Q

A ________ statement cannot bedirectly tested.

A

Problem

84
Q

The formation of a hypothesis helps the researcher remain focused on the ________ problem.

A

Research

85
Q

A hypothesis should be clear and specific to facilitate a deep and ________ study.

A

Comprehensive

86
Q

A hypothesis refers to an assumption that is made in the population and a sample statistic is used to verify the same.

A

Parameter

87
Q

A ________ refers to an assumption that is made in the population parameter and a sample statistic is used to verify the same.

A

Hypothesis

88
Q

A researcher ________ forms a hypothesis about a problem and then tests it to check its validity by using statistical measures.

A

First

89
Q

Both hypothesis and problem statements arise from a ________ situation.

A

predefined

90
Q

The procedure to utilise test statistics to check whether a hypothesis is true is known as hypothesis ________ .

A

Testing

91
Q

A hypothesis should ________ define its topic.

A

Clearly

92
Q

A hypothesis refers to an assumption that is made in the ________ parameter and a sample statistic is used to verify the same.

A

Population

93
Q

A researcher first forms a hypothesis about a problem and then tests it to check its ________ by using statistical measures.

A

Validity

94
Q

Hypothesis is formulated to solve the problem by testing it with the help of various tests of ________ .

A

Significance

95
Q

MS between columns = SS between columns/( _______ – 1)

A

c

96
Q

In ANOVA, one type of variation occurs due to:

A

Chance

97
Q

In two-way ANOVA, there are _______ possible null hypotheses.

A

Two

98
Q

_______ = MS between/MS within

A

F-ratio

99
Q

_______ is used to study and explain the amount of variation in more than two samples or data sets.

A

ANOVA

100
Q

In a chi-square test, first the researcher finds out the expected frequency on the basis of _______ .

A

Distribution

101
Q

Chi-squared test is used for measuring how well the observed distribution of data fits with the expected distribution of data in case of:

A

Independent variables

102
Q

In one-way ANOVA, if the value of F-ratio lies under the limits of acceptance region:

A

The null hypothesis is accepted and the alternate hypothesis is rejected.

103
Q

The _______ is used to determine whether a substantial difference exists between the expected frequencies and the observed frequencies in one or multiple categories.

A

Chi-squared test

104
Q

_______ is used when a researcher wants to test the differences between groups that have been split on the basis of two attributes or independent variables or factors.

A

One-way ANOVA

105
Q

In chi-square test for _______ , two attributes are tested to find out whether they are associated with each other.

A

Independence

106
Q

In the formula of Chi-square test what does O signify?

A

Observed value

107
Q

Residual variation = _______ – (SS between + SS within)

A

Total SS

108
Q

Chief component of first-generation computer was

A

Vacuum Tubes and Valves

109
Q

Which type of computers uses the 8-bit code called EBCDIC?

A

Mainframe computers

110
Q

he ALU of a computer responds to the commands coming from

A

Control section

111
Q

A hybrid computer

A

Resembles both a digital and analogue computer

112
Q

The brain of any computer system is

A

CPU

113
Q

Microprocessors as switching devices are for:

A

Fourth Generation Computers

114
Q

Which of the following IC was used in third generation of computers?

A

SSI and MSI

115
Q

UNIVAC is:

A

Universal Automatic Computer

116
Q

What is the main difference between a mainframe and a super computer?

A

Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently

117
Q

Integrated Circuits (ICS) are related to which generation of computers?

A

Third generation

118
Q

To produce high quality graphics (hardcopy) in color, you would want to use a/n

A

Plotter

119
Q

The two major types of computer chips are

A

Logic chips and Memory chips

120
Q

Computer is free from tiresome and boardroom. We call it

A

Reliability

121
Q

Storage capacity of magnetic disk depends on?

A. tracks per inch of surface
B. bits per inch of tracks
C. disk pack in disk surface
D. All of above

A

Option D

122
Q

A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is

A

Buffer

123
Q

The two kinds of main memory are:

A

RAM and ROM

124
Q

The basic operations performed by a computer are

A
  1. Arithmetic operations
  2. Logical operations
  3. Storage and relative functions
125
Q

ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?

A

Extended Binary Coded Decimal Interchange CodeExtended Binary Coded Decimal Interchange Code

126
Q

Any text or graphic that you insert in a appears at the top of every page in the document.

A

Header

127
Q

The ________ feature helps you to automatically correct the spelling mistakes that one commits while typing.

A

AutoCorrect

128
Q

To save the document from unauthorised access; you will use the ________ command.

A

Restrict Editing

129
Q

Heading 1, Heading 2, Title and Strong are the in a document.

A

Styles

130
Q

Which of the following options should be used to place the selected text or character above the normal text?

A

Superscript

131
Q

Reema is trying to find a synonym for a word in a MS-Word document. Which option should she use?

A

Thesaurus

132
Q

Which of the following defines the area that appears just above the bottom margin of the page?

A

Footer

133
Q

Identify the correct path for hyperlink in MS-Word.

A

Insert W Links W Hyperlink

134
Q

The footnote or endnote is separated from the entire text of the document by a ________ line.

A

Horizontal

135
Q

________ provide consistent style, look and feel to the entire document.

A

Themes

136
Q

Which of the following styles is used to make the text strong or thick?

A

Bold

137
Q

Which of the following options helps to provide the range of the pages of the document?

A

Print Custom Range option

138
Q

________ is a method in Microsoft Word to keep track of the alterations you make to a document.

A

Track Changes

139
Q

Header & Footer button is located under the ____________ group of the Insert tab.

A

Text

140
Q

Which PowerPoint view works best for adding slide transitions?

A

Slide Sorter view

141
Q

Which key is used to start a presentation?

A

F5

142
Q

The special effects used to introduce slides in a presentation are called

A

Transitions

143
Q

The ____________ tab consists of the commands that let you work with slides.

A

Slide Show

144
Q

What is the term used when you press and hold the left mouse key and move the mouse around the slide?

A

Dragging

145
Q

To edit a chart, you can

A

Double click the chart object

146
Q

In the context of the animations, what is a trigger?

A

An item on the slide that acts when clicked

147
Q

The ____________ allow you to specify the appearance of the slides in the slide show.

A

Transition styles

148
Q

___________ allows you to format a cell or range of cells based on specific conditions.

A

Conditional formatting

149
Q

% is a/an ___________ operator.

A

Arithmetic operator

150
Q

Which of the following is the correct path for the LOOKUP FUNCTION?

A

Formulas  Function  Lookup & Reference  LOOKUP

151
Q

How many types of font styles are available in MS Excel?

A

Four

152
Q

n the syntax of the VLOOKUP function, ___________ refers to a logical value that specifies whether you want to find an exact or estimated match.

A

range_lookup

153
Q

Both formulas and functions must be preceded by the ___________ for Excel to understand them.

A

Equal sign

154
Q

Which of the following functions returns TRUE if all the arguments used in the function are true?

A

AND

155
Q

___________ a worksheet refers to the process of changing the appearance of the data so that it can be more readable.

A

Formatting

156
Q

By default, the width of a column in a worksheet is ___________ characters.

A

8.43

157
Q

ROUND(45893.674539011567, 5) will return ___________ .

A

45893.67454

158
Q

Which of the following tabs contains the tools to check spellings, translate words, add comments, and protect a workbook?

A

Review tab

159
Q

Simran creates a workbook and types her name in cell A1. She noticed that the typed name also displays at one other place in the workbook. Which is this place?

A

Formula bar

160
Q

The ___________ function returns the future value of an investment or a loan, based on a fixed interest rate and a fixed payment.

A

FV()

161
Q

he syntax of the FV function is as follows:

=FV(rate, nper, pmt, [pv], [type])

In this syntax, nper stands for?

A

Total number of payments periods in an annuity

162
Q

In MS Excel, the range of cells D7 to K100 is referenced as ___________ .

A

D7:K100

163
Q

Which of the following options is used for defining the print area of a worksheet?

A

Margin

164
Q

The Protect Workbook button is found under ___________ tab of MS Excel.

A

Review

165
Q

Which of the following spreadsheet applications is developed by Microsoft?

A

MS Excel

166
Q

Which of the following functions helps in adding the specified arguments?

A

SUM()

167
Q

Which of the following options is not present in Highlight Cells Rules conditional formatting?

A

Less Than

168
Q

A ___________ is a single selection of a group of cells.

A

Range

169
Q

Which of the following functions is used to join two or more text strings into a single text string?

A

CONCATENATE()

170
Q

The ___________ returns the current date and time of a computer.

A

NOW() function

171
Q

A ___________ refers to the amount of space between data and an edge of a page in the worksheet.

A

Margin

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