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Frequency Distribution Table

The Sturges r...

Question

The Sturges rule for determining the number of classes (n) in a frequency distribution with total frequency N is

n = 1 + 2.3108 N

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N = 1 + 3.3108 N

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n = 1 + 3.3 log N

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n = 1 - 3.3 log N

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Solution

The correct option is D n = 1 + 3.3 log N
Sturges rule is a rule for determining the desirable number of groups into which a distribution of observations should be classified; the number of groups of classes is 1 + 3.3 log n , where is the number of observations.

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