AnimeBrainly
Answered

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Use the given information:
[tex]n = 20[/tex] , ∑[tex]x = 1570[/tex] , ∑[tex]x^{2} = 125696[/tex] , minimum = 60 , maximum = 100


Find the mean [tex]x^{-}[/tex]. Round your answer to a whole number.

Find s². Round your answer to a whole number.

Sagot :

Hey there mate :)

Answer with explanation attached as image in my answer. Click and Check it !

FINAL ANSWERS-

Mean- 79

Mean- 79Variance - 129

~ Benjemin360

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