What will the standard deviation of these exam grades be? A square bracket means inclusive, so...

Question

Question

What will the standard deviation of these exam grades be? A square bracket means inclusive, so [10, 20) means 10 - 19.9999999...

A. [0, 10)

B. [10, 20)

C. [20, 30)

D. [30, infinity)

math Statistics-And-Probability

Answer 1

Answer #1

Answer :

Option B is correct , because a square bracket is inclusive.

Hence, standard deviation of exam grades is

Option B.

Answer 2

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