Bryant collects a set of 20 values that represent the lengths of worms he found in the garden. The variance of the set of values σ^2 is 36 What is the standard deviation from the mean? Round the answer to the nearest tenth if necessary.
Answer
A
14
B
4 point 5
C
6
D
15 point 5
Explanation
Standard deviation is the square root of the variance. Since the variance is 36, the standard deviation is √36 = 6. Therefore, the correct choice is A, 6.
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