Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 11.1. (f-x) 65-71 30 72-78 39 n(n -1 58-64 51-57 4 44-50 30-36 2 37-43 4 Interval Frequency

Question
Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values.
Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 11.1.
(f-x)
65-71
30
72-78
39
n(n -1
58-64
51-57
4
44-50
30-36
2
37-43
4
Interval
Frequency

Image Transcription

Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 11.1. (f-x) 65-71 30 72-78 39 n(n -1 58-64 51-57 4 44-50 30-36 2 37-43 4 Interval Frequency

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