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

The lengths (in meters) of 10 ropes are 6, 7, 7, 8, 8, 9, 9, 10, 11, and 11. What is the standard deviation of the lengths of the ropes?

1

3 meters

2

1.62 meters

3

2.22 meters

4

1.03 meters

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