Can anyone solve this for me by step deviation? I want to check my calculations!
Q. If the mean of the following data is 14.7, find the values of p and q.
Class 0-6 6-12 12-18 18-24 24-30 30-36 36-42 Total
Frequency 10 p 4 7 q 4 1 40

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cant we solve it by direct method....it is much easier
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What are you looking for?