Find the value of p for the following distribution whose mean is 16.6


x :



8



12



15



p



20



25



30



y :



12



16



20



24



16



8



4



X



y



yx



8



12



96



12



16



192



15



20



300



P



24



24p



20



16



320



25



8



200



30



4



120




N = 100



∑yx = 24p + 1228



Given,


Mean = 16.6


= 16.6


= 16.6


24p + 1228 = 1660


24p = 1660 – 1228


24p = 432


p = = 18


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