Question

(a) Calculate Arithmetic Mean and Median.

X : 0-10 10-20 20-30 30-40 40-50 50-60 60-70

Frequency : 10 20 35 40 25 25 15

Or


(b) Calculate mean and mode from the following

data :

x : 50-53 53-56 56-59 59-62 62-65 65-68 68-71 71-74 74-77

f : 3 8 14 30 36 28 16 10 5

18. (a) From the following data calculate quartile

deviation and its co-efficient.

X : 26 28 32 35 29 24

Y : 6 7 9 10 7 6​

Answer 1

Answer:

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Explanation:

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