A random sample of 12 students showed the following time (in hours) of sleep 4.5 5 5.5 6 6 7 7.5 7.5 8. 9 5 7 Find the sample standard deviation.

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A random sample of 12 students showed the following time (in hours) of sleep
4.5 5 5.5
6.
7 7.5
7.5
8 9 57
Find the sample standard deviation.
Transcribed Image Text:A random sample of 12 students showed the following time (in hours) of sleep 4.5 5 5.5 6. 7 7.5 7.5 8 9 57 Find the sample standard deviation.
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