how to work question 17? Test 2 Requires Respon :21:30 Mariah Ford: Attempt 1 9

Question

how to work question 17?

Test 2 Requires Respon :21:30 Mariah Ford: Attempt 1 9 neither height nor volume; the measuring instrument used to measure height the response Save Question 17 (3 points) Here are the data for the wieght in grams of a bar of soap used to thowe The equation for the 1SA WEIGHT-133.2 6.31(DAY) Day Weight Day:Weight 1124 2 121 1258 3 50 1627 1836 95 90 20B 21 5 970 1071 Find the residusl at 13 dave (round to 2 decimal places but do not wite grame) Save Question 186 pots a) Compute the correlation coefficient of the patred data belo

Explanation / Answer

Q17. Ans: the given regression equation is

Weight=133.2 - 6.31 (Day)

So, the expected weight (fitted weight) for days 13 is

Weight(13)=133.2-6.31*13=51.17.

And the observed weight at 13 days is 50.

Hence, the required residual for 13 days = observed weight - expected weight = 50 - 51.17= - 1.17

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