Question: 2. Calculate the standard deviation for the following data sets. (a) Value Frequency 100 8 120 13 140 12 160 23 180 8 (b) Value

2. Calculate the standard deviation for the following data sets.

(a)

Value Frequency 100 8 120 13 140 12 160 23 180 8

(b)

Value Frequency 10 7 11 12 12 9 13 3 14 12

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