5. Quantitative Techniques and Analytics Flashcards
1
Q
Which one is a one-dimensional diagram?
A
Bar diagram
2
Q
Another name for a cumulative frequency polygon is:
A
Ogives
3
Q
___________ include scales wherein the researchers ask the respondents for their relative preference between two or more objects.
A
Comparative scales
4
Q
The broader classification of tables is into__________ types.
A
Two
5
Q
__________ is the scale that contains absolute or true zero, which implies the absence of any trait.
A
Ratio
6
Q
Histogram can be drawn only for:
A
Continuous frequency
7
Q
Another name for a sector diagram is a:
A
Pie chart
8
Q
What is the shape of a pie chart?
A
Circle
9
Q
A polygon can be drawn from a:
A
Histogram
10
Q
_____________ are the commonly used graphical presentations for the set of statistical distributions.
A
Frequency polygons
11
Q
Ogives can help locate graphically the:
A
Median
12
Q
The histogram is an efficient means for representing:
A
Median
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
14
Q
Bar diagram is suitable for presenting:
A
Single variable
15
Q
In ______________ approach of ranking scale, the respondents are asked to rank their choices according to their preferences.
A
Rank order
16
Q
Mode = 3 Median−________ Mean
A
2
17
Q
The sum of deviation of value from their mean is equal to:
A
0
18
Q
Which of the following is not a common measure of central tendency?
A
Range
19
Q
The mode of the numbers 8, 8, 10, 8, 10, 15, 15, 15, 10 is
A
8 and 10
20
Q
Calculate Median from the following data set: 6, 4, 2, 3, 4, 5, 5, 4
A
4
21
Q
The sum of squares of deviations of different values from their arithmetic mean is
A
Minimum
22
Q
Which of the following is the geometric mean of 2, 4, and 8?
A
4
23
Q
Which of the following is true?
A
Notation for mode is Z
24
Q
Calculate median from the following data set: 5, 5, 11, 9, 8, 5, 8
A
8
25
The positional measure of central tendency
Median
26
The average of all the observations in a data set is known as:
Mean
27
If each item is reduced by 9, Arithmetic Mean is
Decreased by 9
28
Which of the following is the value that most often occurs in a dataset?
Mode
29
```
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
```
Z = 10
30
Q2 is ____________.
Median
31
Quartiles divide the entire set into ____________ equal parts.
Four
32
Quartiles are the values that divide a list of numerical data into ____________ quarters.
Three
33
The measures of dispersion can be used to study the dispersed values near the____________value.
Mean
34
The ____________can be calculated by dividing SD with the mean of the series.
Coefficient of SD
35
The ____________ is half of the distance between the third and the first quartile.
Quartile deviation
36
The average of the squared differences from the Mean is called ____________.
Variance
37
The coefficient of ____________ is a measure of relative variability.
Variation
38
An ____________ measures of dispersion contain the same unit as the original data set.
Absolute
39
Measures of dispersion are also known as the averages of the ____________.
‘Second order’
40
____________ represents the difference between the highest value and the lowest value in a data series.
Range
41
The ____________ is defined as a statistical measure that is used to calculate the average deviation from the mean value of the given data set.
Mean deviation
42
Lower quartile is denoted by ____________.
Q1
43
The probability of the intersection is called the_________probability.
Joint
44
Association with_________contributed to very slow and sporadic growth of probability theory as a mathematical discipline.
Gambling
45
The _________ had its origin in gambling and games of chance.
Theory of probability
46
In the binomial distribution, each trial is known as a _________ trial.
Bernoulli
47
Blaise Pascal and Pierre de Fermat emphasised the development of_________and probability theory.
Combinations
48
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.
Compliment
49
A probability distribution is a summary of all probabilities for a value of _________variable.
Random
50
When the outcomes in a permutation can be repeated it can be referred to it as permutations with _________.
Repetition
51
The specific multiplication rule is simple but it is applicable only when two events are _________.
Independent
52
_________ is another event that occurs as a result of combining other events.
Union
53
Businesses work in an_________environment.
Uncertain
54
The_________distribution function is used when there are random variables occurring or random events occurring at a certain rate over some time.
Poisson
55
In probability theory, we have different_________rules under certain conditions namely specific rule and general rule.
Multiplication
56
A _________ refers to a number that exhibits the chance or likelihood that a certain event will happen.
Probability
57
The formula for the probability is:
Probability (P) = Favourable Outcome(s)
58
_______ correlation refers to the correlation between two data series in which the data is ranked.
Rank
59
Whenever one variable change in a particular direction, the change in another variable is _______ .
Inevitable
60
_______ is employed as a widely used and reliable method of analysing the linear relation between variants.
Correlation
61
When there is the relation between the variables, it has been said that the variables are _______ .
Correlated
62
A _______ correlation infers that two or more variables have a strong relationship with each other.
High
63
When the change in one variable results in the change in another variable in the same direction is it said to have _______ .
Positive correlation
64
Correlation refers to the_______ interrelatedness between two variables.
Linear
65
A _______ correlation implies that the variables are hardly associated.
Weak
66
A _______ diagram graphically presents the relation or the association without significantly, providing numerical value for comparison.
Scatter
67
_______ correlation is used to find the degree of the linear relationship between two variables.
Simple
68
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 _______ .
Negative correlation
69
It is acceptable that there are various methods of establishing an association between the _______ .
Variable
70
Hypothesis t represents a tentative relationship between two or more ________ .
Variables
71
Hypothesis is a proposed explanation given for a/an ________ situation.
Observed
72
heprocedure to utilise test statistics to check whether a hypothesis is ________ is known as hypothesis testing.
True
73
A hypothesis refers to an ________ that is made in the population parameter and a sample statistic is used to verify the same.
Assumption
74
________ test is a part of directional hypothesis that talks not only about the relationship between two variables but also the direction of relationship.
One-tailed
75
A ________ statement is derived from a problem statement.
Hypothesis
76
________ tests which make assumptions about the parameters of the population from which a sample is derived.
Parametric
77
________ is used to compare the ratio of variances of two samples under study.
F-test
78
A hypothesis refers to an assumption that is made in the population parameter and a ________ statistic is used to verify the same.
Sample
79
Hypothesis is a very useful ________ to solve various research problems and issues.
Tool
80
Hypothesis is a specificprediction, which can be ________ .
Tested
81
Hypothesis testing assists the researcher in deriving ________ results, as it takes into consideration the errors due to sampling.
Realistic
82
hypothesis is a very useful tool to solvevarious research ________ and issues.
Problems
83
A ________ statement cannot bedirectly tested.
Problem
84
The formation of a hypothesis helps the researcher remain focused on the ________ problem.
Research
85
A hypothesis should be clear and specific to facilitate a deep and ________ study.
Comprehensive
86
A hypothesis refers to an assumption that is made in the population and a sample statistic is used to verify the same.
Parameter
87
A ________ refers to an assumption that is made in the population parameter and a sample statistic is used to verify the same.
Hypothesis
88
A researcher ________ forms a hypothesis about a problem and then tests it to check its validity by using statistical measures.
First
89
Both hypothesis and problem statements arise from a ________ situation.
predefined
90
The procedure to utilise test statistics to check whether a hypothesis is true is known as hypothesis ________ .
Testing
91
A hypothesis should ________ define its topic.
Clearly
92
A hypothesis refers to an assumption that is made in the ________ parameter and a sample statistic is used to verify the same.
Population
93
A researcher first forms a hypothesis about a problem and then tests it to check its ________ by using statistical measures.
Validity
94
Hypothesis is formulated to solve the problem by testing it with the help of various tests of ________ .
Significance
95
MS between columns = SS between columns/( _______ – 1)
c
96
In ANOVA, one type of variation occurs due to:
Chance
97
In two-way ANOVA, there are _______ possible null hypotheses.
Two
98
_______ = MS between/MS within
F-ratio
99
_______ is used to study and explain the amount of variation in more than two samples or data sets.
ANOVA
100
In a chi-square test, first the researcher finds out the expected frequency on the basis of _______ .
Distribution
101
Chi-squared test is used for measuring how well the observed distribution of data fits with the expected distribution of data in case of:
Independent variables
102
In one-way ANOVA, if the value of F-ratio lies under the limits of acceptance region:
The null hypothesis is accepted and the alternate hypothesis is rejected.
103
The _______ is used to determine whether a substantial difference exists between the expected frequencies and the observed frequencies in one or multiple categories.
Chi-squared test
104
_______ 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.
One-way ANOVA
105
In chi-square test for _______ , two attributes are tested to find out whether they are associated with each other.
Independence
106
In the formula of Chi-square test what does O signify?
Observed value
107
Residual variation = _______ – (SS between + SS within)
Total SS
108
Chief component of first-generation computer was
Vacuum Tubes and Valves
109
Which type of computers uses the 8-bit code called EBCDIC?
Mainframe computers
110
he ALU of a computer responds to the commands coming from
Control section
111
A hybrid computer
Resembles both a digital and analogue computer
112
The brain of any computer system is
CPU
113
Microprocessors as switching devices are for:
Fourth Generation Computers
114
Which of the following IC was used in third generation of computers?
SSI and MSI
115
UNIVAC is:
Universal Automatic Computer
116
What is the main difference between a mainframe and a super computer?
Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
117
Integrated Circuits (ICS) are related to which generation of computers?
Third generation
118
To produce high quality graphics (hardcopy) in color, you would want to use a/n
Plotter
119
The two major types of computer chips are
Logic chips and Memory chips
120
Computer is free from tiresome and boardroom. We call it
Reliability
121
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
Option D
122
A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
Buffer
123
The two kinds of main memory are:
RAM and ROM
124
The basic operations performed by a computer are
1. Arithmetic operations
2. Logical operations
3. Storage and relative functions
125
ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?
Extended Binary Coded Decimal Interchange CodeExtended Binary Coded Decimal Interchange Code
126
Any text or graphic that you insert in a appears at the top of every page in the document.
Header
127
The ________ feature helps you to automatically correct the spelling mistakes that one commits while typing.
AutoCorrect
128
To save the document from unauthorised access; you will use the ________ command.
Restrict Editing
129
Heading 1, Heading 2, Title and Strong are the in a document.
Styles
130
Which of the following options should be used to place the selected text or character above the normal text?
Superscript
131
Reema is trying to find a synonym for a word in a MS-Word document. Which option should she use?
Thesaurus
132
Which of the following defines the area that appears just above the bottom margin of the page?
Footer
133
Identify the correct path for hyperlink in MS-Word.
Insert W Links W Hyperlink
134
The footnote or endnote is separated from the entire text of the document by a ________ line.
Horizontal
135
________ provide consistent style, look and feel to the entire document.
Themes
136
Which of the following styles is used to make the text strong or thick?
Bold
137
Which of the following options helps to provide the range of the pages of the document?
Print Custom Range option
138
________ is a method in Microsoft Word to keep track of the alterations you make to a document.
Track Changes
139
Header & Footer button is located under the ____________ group of the Insert tab.
Text
140
Which PowerPoint view works best for adding slide transitions?
Slide Sorter view
141
Which key is used to start a presentation?
F5
142
The special effects used to introduce slides in a presentation are called
Transitions
143
The ____________ tab consists of the commands that let you work with slides.
Slide Show
144
What is the term used when you press and hold the left mouse key and move the mouse around the slide?
Dragging
145
To edit a chart, you can
Double click the chart object
146
In the context of the animations, what is a trigger?
An item on the slide that acts when clicked
147
The ____________ allow you to specify the appearance of the slides in the slide show.
Transition styles
148
___________ allows you to format a cell or range of cells based on specific conditions.
Conditional formatting
149
% is a/an ___________ operator.
Arithmetic operator
150
Which of the following is the correct path for the LOOKUP FUNCTION?
Formulas Function Lookup & Reference LOOKUP
151
How many types of font styles are available in MS Excel?
Four
152
n the syntax of the VLOOKUP function, ___________ refers to a logical value that specifies whether you want to find an exact or estimated match.
range_lookup
153
Both formulas and functions must be preceded by the ___________ for Excel to understand them.
Equal sign
154
Which of the following functions returns TRUE if all the arguments used in the function are true?
AND
155
___________ a worksheet refers to the process of changing the appearance of the data so that it can be more readable.
Formatting
156
By default, the width of a column in a worksheet is ___________ characters.
8.43
157
ROUND(45893.674539011567, 5) will return ___________ .
45893.67454
158
Which of the following tabs contains the tools to check spellings, translate words, add comments, and protect a workbook?
Review tab
159
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?
Formula bar
160
The ___________ function returns the future value of an investment or a loan, based on a fixed interest rate and a fixed payment.
FV()
161
he syntax of the FV function is as follows:
=FV(rate, nper, pmt, [pv], [type])
In this syntax, nper stands for?
Total number of payments periods in an annuity
162
In MS Excel, the range of cells D7 to K100 is referenced as ___________ .
D7:K100
163
Which of the following options is used for defining the print area of a worksheet?
Margin
164
The Protect Workbook button is found under ___________ tab of MS Excel.
Review
165
Which of the following spreadsheet applications is developed by Microsoft?
MS Excel
166
Which of the following functions helps in adding the specified arguments?
SUM()
167
Which of the following options is not present in Highlight Cells Rules conditional formatting?
Less Than
168
A ___________ is a single selection of a group of cells.
Range
169
Which of the following functions is used to join two or more text strings into a single text string?
CONCATENATE()
170
The ___________ returns the current date and time of a computer.
NOW() function
171
A ___________ refers to the amount of space between data and an edge of a page in the worksheet.
Margin
