TS EAMCET 14-Sep-2020 Shift 1 Solved Paper

Section: Mathematics

Question : 35 of 160

Marks: +1, -0

The mean and standard deviation of 100 observations x1,x2,......x100 were calculated as 40 and 5.1 respectively by a students who took by mistake 50 instead of 40 for one observation. Then the correct value of

100

i=1

xi2=

3990
161701
162601
4000

Validate

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