Question

Consider the height of 9 students of a class in centimeter :S.No	1	2	3	4	5	6	7	8	9
Height(x) in cm	110	110	100	90	85	115	110	102	90
What will be the value of mean $(\bar{x})$ and $\sum(x-\bar{x})^2$ respectively ?

• A. 938.00 and 938.00
• B. 938.00 and 101.33
• C. 101.33 and 101.33
• D. 101.33 and 938.00

Answer 1

Answer: (D)

101.33 and 938.00

Answer 2

The correct option is (D) :101.33 and 938.00.