# Variance & Standard Deviation Quiz Questions and Answers 7 PDF Download

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Study variance & standard deviation online courses with multiple choice question (MCQs): if total sum of square is 20 and sample variance is 5 then total number of observations are, for BBA degree and executive MBA degree questions with choices 15, 25, 4, 35 for scholars competing for college and universities' scholarships with GMAT practice test for good GMAT percentiles. Learn measures of dispersion quizzes with problem-solving skills assessment test for online certifications with distance learning student portal.

## Quiz on Variance & Standard Deviation Worksheet 7Quiz PDF Download

Variance & Standard Deviation Quiz

MCQ: If total sum of square is 20 and sample variance is 5 then total number of observations are

- 15
- 25
- 4
- 35

C

Average Deviation Measures Quiz

MCQ: If set of observations is 11, 13, 15, 12, 16, 18, 19, 14, 20, 17 and absolute mean deviation is 12 then percentage of coefficient of mean absolute deviation is

- 47.41%
- 57.41%
- 67.41%
- 77.41%

D

Percentiles Quiz

MCQ: Median, mode, deciles and percentiles are all considered as measures of

- mathematical averages
- population averages
- sample averages
- averages of position

D

Discrete Probability Distributions Quiz

MCQ: In random experiment, observations of random variable are classified as

- events
- composition
- trials
- functions

C

Cluster Sampling Quiz

MCQ: In systematic sampling, value of k is classified as

- sampling interval
- sub stage interval
- secondary stage interval
- multistage interval

A