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  • The width of each of five continuous classes in a frequency distribution is 5 and the lower class-limit of the lowest class is 10. The upper class-limit of the highest class is: (A) 15 (B) 25 (C) 35 (D) 40

The width of each of five continuous classes in a frequency distribution is 5 and the lower class-limit of the lowest class is 10. The upper class-limit of the highest class is:

(A) \; 15

(B) \; 25

(C) \; 35

(D) \; 40
 

Answers (1)

Answer: C

Here, lower class-limit of the lowest class is 10 and the width of the class is 5

So, starting from 10 the first class will be:

10 - 15

Now we have been given that this is the lowest class. So next 4 continuous classes will be:

\\15 - 20\\ 20 - 25\\ 25 - 30\\ 30 - 35

As the total number of classes is 5, so 35 is the upper limit of the highest class.

Therefore option (C) is correct.

Posted by

infoexpert23

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