1.

Find the mode of the following distribution.(i) Class-interval: 0−10 10−20 20−30 30−40 40−50 50−60 60−70 70−80 Frequency: 5 8 7 12 28 20 10 10 (ii) Class-interval: 10−15 15−20 20−25 25−30 30−35 35−40 Frequency: 30 45 75 35 25 15 (iii) Class-interval: 25−30 30−35 35−40 40−45 45−50 50−55 Frequency: 25 34 50 42 38 14 (iv) Class: 0−10 10−20 20−30 30−40 40−50 50−60 60–70 Frequency: 8 10 10 16 12 6 7

Answer» Find the mode of the following distribution.



(i)

























Class-interval: 0−10 10−20 20−30 30−40 40−50 50−60 60−70 70−80
Frequency: 5 8 7 12 28 20 10 10



(ii)





















Class-interval: 10−15 15−20 20−25 25−30 30−35 35−40
Frequency: 30 45 75 35 25 15



(iii)





















Class-interval: 25−30 30−35 35−40 40−45 45−50 50−55
Frequency: 25 34 50 42 38 14



(iv)























Class: 0−10 10−20 20−30 30−40 40−50 50−60 60–70
Frequency: 8 10 10 16 12 6 7


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