TS EAMCET 03 May 2019 Shift 1 Solved Paper

Section: Mathematics

Question : 35 of 160

Marks: +1, -0

In a data with 15 number of observations x1,x2,x3 , ... x15 ,

i=1

xi2 = 3600 and

i=1

x1 = 175. If the value of one observation 20 was found wrong and was replaced by its correct value 40, then the collected variance of that data is

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