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Mathematics, 04.03.2021 05:50 germaniranda619

Approximate the standard deviation for following Grouped Frequency Distribution Table. Data Frequency

70 - 74 1
75 - 79 1
80 - 84 3
85 - 89 5
90 - 94 6
95 - 99 9
100 - 104 14
105 - 109 22
110 - 114 10

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