A professor records the time (in minutes) that it takes 16 students to complete

Question

A professor records the time (in minutes) that it takes 16 students to complete an exam. Compute the SS, the variance, and the standard deviation assuming the 16 students constitute a population and assuming the 16 students constitute a sample. (Round your answers for variance and standard deviation to two decimal places.) 21 51 34 39 26 41 49 15 24 48 26 40 33 30 46 49 (a) the 16 students constitute a population SS variance standard deviation min (b) the 16 students constitute a sample SS variance standard deviation min

Explanation / Answer

A. SS = 1915; Variance = 119.69; SD = 10.94.

B. SS = 1915; Variance = 127.7; SD = 11.3

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