A set of data consists of 38 observations. how many classes would you recommend for the frequency distribution
1 answer:
solution:
use 2 to the k rule:
2⁵= 32
32 is less than 38,
so,
5 classes are not enough
try the next highest number:
2⁶ = 64
64 is greater than 38 ,
so,
the recommended number of class is 6.
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