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Question: Suppose data collected for heights (in cms) 0f 390 cows were tabulated in a frequency distribution results were obtained and the following i. fi: 6 25 48 72 116 60 38 22 3 CM1:=112, CM2=117 where CMi ith class mark Determine: a. the class interval size  Edit

Answer: The class interval size = CM2-CM1
=117-112
=5  Edit


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