Question: Ten students were sampled at random from a student population. Each was asked how many courses he or she was planning on studying in the

Ten students were sampled at random from a student population. Each was asked how many courses he or she was planning on studying in the upcoming year. The following is a list of the reported data values:

1, 2, 2, 3, 4, 5, 5, 5, 5, 6

What's the standard deviation for the data values?

A. 1.6

B. 1.687

C. 2.56

D. 2.84

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