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| 1. |
Find the mean and variance for the following frequency distributions in |
Answer» SOLUTION :![]() `:.` MEAN `=(sumf_(i)x_(i))/(sumf_(i))=1350/50=27` Variance `sigma^(2)=1/Nsumf_(i)(x_(i)-barx)^(2)` `=1/50xx6600=132` |
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