AP EAMCET Engineering 21 Sep 2020 Shift 1 Paper

Section: Mathematics

Question : 55 of 160

Marks: +1, -0

The mean of 5 observations is 15 and variance is 9. If two observations having values −5 and 13 are combined with these observations, then what will be the new variance?

6259
7
6259
49
2659
7
2659
49

Validate

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