Question

The class marks of a distribution are 47 52 57 62 67 72 77 82 determine the (i) class size (ii) class limits (iii) true class limits.

Answer 1

Answer:

Answer (i) 8 students

(ii) lower class limit is 47 and upset class limit is 82.

(iii) true lower class limit is 46.5 and true upper class limit is 82.5.

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Answer 2

Answer:

The answer of the above question is:

(i) Class size = 52 – 47 = 5  

(ii) Class limits are

44.5-49.5, 49.5-54.5, 54.5-59.5, 59.5-64.5,

64.5-69.5, 69.5-74.5, 74.5-79.5, 79.5-84.5.

(iii) True class limits are

45-49, 50-54, 55-59, 60-64, 65-69,70-74, 75-79, 80-84

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