A random sample of STAT200 weekly study times in hours is as follows - 94771

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A random sample of STAT200 weekly study times in hours is as follows: 4 14 15 17 20 7. Find the standard deviation. 8. Are any of these study times considered unusual in the sense of our textbook? Explain. Does this differ with your intuition? Explain.
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(7) Mean = (4 + 14 + 15 + 17 + 20)/5 = 14 hours

Deviations fro