Question

(V) Find the mean of the data given in the following table
Class 0-20 20 -40 40-60
frequency 6 7 3​

Answer 1

Answer:

Mean = 70

Step-by-step explanation:

0-20 = 10 (x) = 60 (fx)

20-40= 30 (x) = 210(fx)

40-60=50 (x) = 150(fx)

Mean = Sum of fx = 420

n ( Sum of f) 16

Mean = 26.25

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