Question

Find the class marks of the classes 20 - 50 and 35 – 60.​

Answer 1

Answer:

1. 20 - 50 = 20+50/2 = 70/2 = 35

2. 35 - 60 = 35 + 60 /2 = 95/2=47.5

Answer 2

Answer:

Class mark = lower limit + upper limit / 2

(1) 20-50: 20+50/2

= 70/2

= 35

(2) 35-60: 35+60/2

= 47.5

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