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Solve Variance and Standard Deviation Multiple Choice Questions (MCQ), variance and standard deviation quiz answers PDF worksheet, business statistics practice test for online degree programs. Learn measures of dispersion Multiple Choice Questions and Answers (MCQs), "Variance and Standard Deviation" quiz questions and answers for online master's degree in business management. Learn classification: measures of dispersion, interquartile deviation, relationship: measures of deviation, variance and standard deviation test prep for online bachelor's degree in business management.

"If total sum of square is 20 and the sample variance is 5 then total number of observations are" Multiple Choice Questions (MCQ) on variance and standard deviation with choices 15, 25, 4, and 35 for online master's degree in business management. Practice variance and standard deviation quiz questions for merit scholarship test and certificate programs for online BBA degree.

MCQ: 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

C

MCQ: In manufacturing company, the number of employees in unit A is 40, the mean is USD \$6400 and the number of employees in unit B is 30 with the mean of Rs. 5500 then the combined arithmetic mean is

1. 9500
2. 8000
3. 7014.29
4. 6014.29

D

MCQ: if the calculated value of total sum of squares in sample variance is larger than the variation in data set is considered as

1. smaller
2. greater
3. zero
4. negative

B

MCQ: The undesirable consequences which causes the estimated population variance to appear less as compared to real results are classified as

1. undesired error
2. bias
3. non-calculate error
4. non-zero error

B

MCQ: The formula in which Σ(x-x‾)² is divided by one less than number of observations in sample is classified as

1. coefficient of deviation
2. mean variance
3. sample variance
4. population variance

C