Question

if the range of a frequency distribution is 28 and class interval is 5 then number of classes​

Answer 1

Answer:

hi bye hi bye jam on a choice 6

Answer 2

The number of classes​ is 6 .

Explanation:

According to the Sturges formula :

$\text{Number of classes}=\dfrac{\text{Range}}{\text{Size of class interval }}$

Given : Range= 28

Size of class interval =5

Then, $\text{Number of classes}=\dfrac{28}{5}$

$\text{Number of classes}=5.6\approx6$  [rounded to next integer.]

Hence, the number of classes​ =6

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