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Statistics

Question

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Find the mean of data:

Solution

space space straight N space equals space sum f space equals space 7 plus 4 plus 6 plus 3 plus 5 equals 25

sum f x space equals space 35 plus 40 plus 90 plus 60 plus 135 equals 360

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top enclose straight x space equals space fraction numerator sum f x over denominator straight N end fraction equals space 360 over 25 equals 14.4

Some More Questions From Statistics Chapter

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