Question

Which of the following choices is the standard deviation of the sample shown
here?
17, 18, 19, 20, 21
A. 19
B. 2.5
C. √25
D. 2
E. √2

Answer 1

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Which of the following choices is the standard deviation of the sample shown

here?

17, 18, 19, 20, 21

A. 19

✒ B. 2.5

C. √25

D. 2

E. √2

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Answer 2

Answer:

The correct answer is letter B