UGC NET COMMERCE November 2017(Paper-II) Q17

0. The formula to determine the number of classes given by Sturge’s Rule is which one of the following?
Where: K = Number of classes
N = Total number of observations
(log N) = Logarithm of the total number of observations

A
B
C
D

Answer
Comment
Array

Option : A
Explanation : According to Sturge’s rule, the number of classes can be determined by the formula
k = 1 + 3.222 log_e N
where k is the number of classes and log_e N is the logarithm of the total number of observations.

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