Question: Class Frequency cumulative / cumulative Interval Frequency Frequency - 0 - 49 1/ 20 = 0.05 50 - 99 3/ 20 = 0.15 100- 149

Class Frequency cumulative / cumulative Interval Frequency Frequency - 0 - 49 1/ 20 = 0.05 50 - 99 3/ 20 = 0.15 100- 149 7/20 = 0.35 150 -199 13/ 20 = 0.65 200 - 249 8/ 20= 0.90 250 - 299 19 / 20 - 0.95 300 - 349 20 20 / 20 = 1 n = 20
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