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Question

Which one of the following is correct formula suggested by H.A. Sturges for determining the size of class interval for analyzing data ?

A i = R / (1 + 2.3 log N)
B i = R / (1 + 3.3 log N)
C i = R / (1 + 4.3 log N)
D i = R / (1 + 3.3 × N)

Answer & Explanation

Answer: i = R / (1 + 3.3 log N)

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