Question

In the class interval 5-10, find the

(i) lower limit
(ii) upper limit
(iii) class mark
(iv) class size

Answer 1

(i) lower limit = 5
(ii) upper limit = 10
(iii) class mark = 15
(iv) class size = 5

Answer 2

lower limit = 5

upper limit = 10

class mark = lower limit + upper limit ÷ 2 = 7.5

class size = upper limit - lower limit

= 10-5 = 5

Explanation:

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