BBA Business Statistics Practice Test 7

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

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The Quiz: If total sum of square is 20 and the sample variance is 5 then total number of observations are; "Variance & Standard Deviation" App Download (Android & iOS) Free with answers 25, 15, 4 and 35 to study business degree online courses. Practice measures of dispersion questions and answers, Google eBook to download free sample for online BBA degree.

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

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

A) 15

B) 25

C) 4

D) 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

A) 47.41%

B) 57.41%

C) 67.41%

D) 77.41%

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

A) mathematical averages

B) population averages

C) sample averages

D) averages of position

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

A) events

B) composition

C) trials

D) functions

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

A) sampling interval

B) sub stage interval

C) secondary stage interval

D) multistage interval

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