Answer these 50+ Variability Statistics MCQs and assess your grip on the subject of Variability Statistics.

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A. True

B. False

A. =1

B. >1

C. <1

D. All of these

A. Population Variance

B. Sample Variance

C. Both

D. None

A. 2

B. 10

C. 50

D. 100

A. Square

B. Squared sum

C. Squared difference

D. Both b and c

A. 1-n

B. N-1

C. N-2

D. 2-n

A. X − μ

B. X − M

C. X − m

D. Both a and b

A. X − μ

B. X − M

C. X − m

D. Both a and b

A. 99.7

B. 99

C. 95

D. 68

A. 99.7

B. 99

C. 95

D. 68

A. One

B. Two

C. Three

D. None of these

A. Median

B. Percentiles

C. Deciles

D. All of these

A. True

B. False

A. 50th

B. 25th

C. 10th

D. 4th

A. 50th

B. 25th

C. 10th

D. 4th

A. Upper

B. Lower

C. Middle

D. Both a and b

A. 50th

B. 25th

C. 10th

D. 4th

A. 10

B. 25

C. 50

D. 100

A. Difference

B. Sum

C. Square

D. Square root

A. True

B. False

A. Half

B. Quarter

C. Octile

D. Decile

A. 2

B. 4

C. 8

D. 10

A. Mean

B. Median

C. Mode

D. Range

A. True

B. False

A. Square

B. Square root

C. Square of mean

D. Square root of sum

A. Standard Deviation

B. Sample Variance

C. Population Variance

D. None of these

A. True

B. False

A. Half of the distance

B. Less than half the distance

C. More than half the distance

D. Any of these

A. Half of the distance

B. Less than half the distance

C. More than half the distance

D. Any of these

A. Root Mean Square Variance

B. Root Mean Square Deviation

C. Sample Variance

D. Population Variance

A. Root Mean Square Variance

B. Root Mean Square Deviation

C. Sample Variance

D. Population Variance

A. Sum

B. Sum of square root

C. Sum of squares

D. All of these

A. Sum

B. Sum of square root

C. Sum of squares

D. All of these

A. True

B. False

A. 25th

B. 50th

C. 75th

D. 100th

A. Range

B. Variance

C. Standard Deviation

D. All of these

A. Range

B. Variance

C. Standard Deviation

D. All of these

A. Probability

B. Standard Deviation

C. Variance

D. None of these

A. N

B. M

C. U

D. X

A. It is equal to zero because scores are the same.

B. It is equal to 100.

C. It is equal to 10.

D. It is very large (much greater than 0).

A. Scores: 10, 13, 16, 19, and 42

B. Scores: 12, 24, 26, 48, and 60

C. Scores: 2, 3, 4, 5, and 6

D. Scores: 1, 10, 13, 24, and 35

A. And is the difference between the largest (L) and smallest (S) values in a list of scores.

B. And includes only the lower half of the scores.

C. And includes all values in the distribution.

D. After the top 25% and bottom 25% of the scores in that distribution are remove

A. 2

B. 6

C. 4

D. There is not enough information to answer this question.

A. 80; 4.8

B. 80; 8.9

C. 66.7; 8.2

D. 66.7; 6.1

A. Zero.

B. Positive.

C. Smaller than the mean.

D. Larger than the mean.

A. Experiment 1

B. Experiment 2

C. Both samples have the same variance.

D. There is not enough information to answer this question.

A. N

B. N

C. N − 1

D. X

A. 26.75

B. 5

C. 104

D. Not possible to know because the sample mean is not given

A. 26.75

B. 5

C. 104

D. Not possible to know because the sample mean is not given

A. During weekdays 68% of the time, the station played between 16 and 13 songs per hour.

B. During weekdays 5% of the time, the station played over 25 songs per hour.

C. During weekdays 90% of the time, the station played between 22 and 10 songs per hour.

D. During weekdays 95% of the time, the station played between 22 and 10 songs per hour.