Midterm

Question 1

simply used as labels to
distinguish one group from the other.

Answer 1

Qualitative Variable

Question 2

area under the curve falls within 2 standard deviations of the mean.

Answer 2

About 95%

Question 3

It is a technique in presenting data that consists of words and figures as part of the presentation.

Answer 3

Textual

Question 4

Are the quantities or qualities measured or observed that are to be collected
and/or analyzed.

Answer 4

Data

Question 5

The value in the distribution that divides an arranged set into two equal parts

Answer 5

Median

Question 6

are nominal and ordinal scales.

Answer 6

Categorical Data

Question 7

It is defined as the difference between the highest value and the lowest value of the distribution.

Answer 7

Range

Question 8

A measure that divides a distribution into four equal parts.

Answer 8

Quartile

Question 9

The number of data belonging to a class interval is _______.

Answer 9

Class Frequency

Question 10

The square root of the variance is ________.

Answer 10

Standard Deviation

Question 11

a more reliable measure of variability

Answer 11

Interquartile Range

Question 12

measures how many standard deviations an observation is above or below the mean and allows us to compare the results to different normal
distributions.

Answer 12

Z- Score

Question 13

area under the curve falls within 3 standard deviations of the mean.

Answer 13

99.7%

Question 14

are three values that split a data in four equal parts.

Answer 14

Quartiles

Question 15

The total area under the normal curve is.

Answer 15

Equal to 1

Question 16

are 99 values that split data in 100 equal parts.

Answer 16

Percentiles

Question 17

is one that can be measured
and ordered according on quantity.

Answer 17

Quantitative Variable

Question 18

Value with the largest frequency

Answer 18

Mode

Question 19

determines a numerical value in the central region of a distribution of
scores.

Answer 19

Central Tendency

Question 20

It refers to a property that can take on different values or categories which cannot be predicted with certainty.

Answer 20

Variable

Question 21

The grouping or category defined by a lower boundary and an upper boundary is.

Answer 21

Class Boundary

Question 22

The probability sum is not greater than.

Answer 22

!.0

Question 23

A tabular arrangement of data by categories and their corresponding frequencies.

Answer 23

Frequency Distribution

Question 24

are ratio and interval scales.

Answer 24

Continuous Data

Question 25

area under the curve falls within 1 standard deviation of the mean.

Answer 25

About 68%

Question 26

It is the midpoint of a class interval.

Answer 26

Class mark

Question 27

are nine values that split data in 10 equal parts.

Answer 27

Deciles

Question 28

A measure that is not affected by the extreme scores

Answer 28

Median