Question: Approximate the standard deviation for following GFDT. Data Frequency 70-74 1 75-79 1 80-84 85-89 27 90-94 8 95-99 11 100-104 12 105-109 24

Approximate the standard deviation for following GFDT. Data Frequency 70-74 1 75-79

Approximate the standard deviation for following GFDT. Data Frequency 70-74 1 75-79 1 80-84 85-89 27 90-94 8 95-99 11 100-104 12 105-109 24 110-114 12

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