Question

Inacity, the following weekly observations were made a study of cost of living inden for your
1970 - 71
Cost of living inder 140 - 150 150 - 160 160 - 170 170-180 180-190|190 - 200
Number of weeks
5
6
) Calculate the average weekly cost of living index
) Verify f(x-7)= 0, where x is the mid value
Calculate the mean by sten-deviation method for the follo​

Answer 1

Answer:

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