BBA Management Courses

BBA Business Statistics Practice Test 7

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## Statistics: Variance & Standard Deviation Quiz

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

A) events
B) composition
C) trials
D) functions

MCQ: 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

### Mock Tests: BBA Business Statistics Course Prep

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