Question

Find the standard deviation, correct to 2 decimal places.

Data Set: 10, 12, 12, 16, 24

Mean 14.8

Answer 1

5

Explanation:

Step 1: Mean

10+12+12+16+24

=74/5

=14.8

Step 2: Standard Deviation

Formula----- square root of varieance

23.04+7.84+7.84+1.44+84.64/5

124.8/5

24.96

`√(24.96)`

4.996

5