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# Variance and Standard Deviation Quiz PDF: Questions and Answers - 7

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Free Variance and Standard Deviation Quiz Questions and Answers PDF (Variance and Standard Deviation Quiz Answers PDF e-Book) download Ch. 6-7 to solve BBA Business Statistics Practice Tests. Learn Measures of Dispersion MCQ Questions PDF, Variance and Standard Deviation Multiple Choice Questions (MCQ Quiz) for online college degrees. The Variance and Standard Deviation Trivia App: Download free educational app for variance and standard deviation, average deviation measures, percentiles, discrete probability distributions, cluster sampling test prep for online bachelor's degree in business management.

The Quiz: If total sum of square is 20 and sample variance is 5 then total number of observations are; "Variance & Standard Deviation" App Download (iOS & Android) with answers ‘25’, ‘15’, ‘4’ and ‘35’ to study business degree online courses. Study Measures of Dispersion Questions and Answers, Google eBook to download free sample for online BBA degree.

## Variance & Standard Deviation Questions and Answers : Quiz 7

MCQ 31: If total sum of square is 20 and the sample variance is 5 then total number of observations are

1. 15
2. 25
3. 4
4. 35

MCQ 32: If the set of observations is 11, 13, 15, 12, 16, 18, 19, 14, 20, 17 and absolute mean deviation is 12 then the percentage of coefficient of mean absolute deviation is

1. 47.41%
2. 57.41%
3. 67.41%
4. 77.41%

MCQ 33: The median, mode, deciles and percentiles are all considered as measures of

1. mathematical averages
2. population averages
3. sample averages
4. averages of position

MCQ 34: In random experiment, the observations of random variable are classified as

1. events
2. composition
3. trials
4. functions

MCQ 35: In the systematic sampling, the value of k is classified as

1. sampling interval
2. sub stage interval
3. secondary stage interval
4. multistage interval

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