state gov UP Lekhpal Mock Test 2023 - 24 Quantitative Aptitude Standard Deviation

The given table shows the marks obtained out of 100 in mathematics tests by different students of class 10.

Student's Name Marks Obtained

Neha 75

Priyanka 80

Babita 85

Sakshi 60

Rosy 70

Calculate the standard deviation in marks obtained by them.

1

8.20

2

8.60

3

6.81

4

5.32

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