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[hline" Erample "9," Find the variance a...

[hline" Erample "9," Find the variance and standard deviation for the following data: ",,,,],[hline x_(i),4,8,11,17,20,24,32],[hline f_(i),3,5,9,5,4,3,1],[hline" colution Presenting the data in tabular form (Tokle ",15,0,1],[hline]

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