AP EAMCET Engineering 2018 Apr 22 Shift 2 Paper

Section: Mathematics

Question : 35 of 160

Marks: +1, -0

The arithmetic mean and standard deviation of a data of nine numbers are 13 and 5 respectively. If 3 is included as the 10‌th item of the data, then the variance of the data of the ten number is

23.5
21.5
31.5
27

Validate

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