kikifuentes14 kikifuentes14

22-04-2018
Mathematics

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help I need help with the chart the most!!!

help I need help with the chart the most class=

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backseatdog backseatdog

22-04-2018

(a) and (b) looks correct

(c) Here's how my table looks like:

15 -18 324
27 -6 36
28 -5 25
34 1 1
42 9 81
52 19 361
SUM 828

(d) Take the sum of 828 and divide it by 6 to get 138. Now take the square root of 138 to get the standard deviation:

sqrt(138) ≈ 11.75

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