Question

calculate coefficient of range for data 437,450,445,452,457​

Answer 1

Step 1: Find Range. Range = Maximum Value - Minimum Value. Range = 8 - 2. Range = 6.

Step 2: Find Range Coefficient. Coefficient of Range = (Maximum Value - Minimum Value) / (Maximum Value + Minimum Value) = (8 - 2) / (8 + 2) = 6 / 10. Coefficient of Range = 0.6.

In case of continuous frequency distribution, range, according to the definition, is calculated as the difference between the lower limit of the minimum interval and upper limit of the maximum interval of the grouped data. That is for X: 0-10, 10-20, 20-30 and 40-50, range is calculated as 40-0=40.

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