The mean and the standard deviation of a data which is comprised of a set of…
TCS · 2026
The mean and the standard deviation of a data which is comprised of a set of ten positive numbers are 8 and 2 respectively. If the sum of squares of 9 among the 10 members is 599,what is the 10th number.
- A.
10
- B.
9
- C.
5
- D.
8
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