A Researcher Conducts An Experiment To Examine The Relationship

*Use Minitab to estimate the regression model and store the residual values. Do the residuals support the assumption of normality? Include a copy of the probability plot, the hypotheses being tested, and the conclusion of the test at a 5% level of significance. (20 points) A researcher conducts an experiment to examine the relationship between the weight gain of chickens whose diets had been supplemented by different amounts of amino acid lysine and the amount of lysine ingested. Since the percentage of lysine is known, and we can monitor the amount of feed consumed, we can determine the amount of lysine eaten. A random sample of twelve 2-year old chickens was selected for the study. Each was caged separately and was allowed to eat at will from feed composed of a base supplemented with lysine. The sample data summarizing weight gains and amounts of lysine eaten over the test period are given below. (In the data, y represents with gain in grams, and x represents the amount of lysine ingested in grams. )Chickyx114. 70. 09217. 80. 14319. 60. 18418. 40. 15520. 50. 16621. 10. 23717. 20. 11818. 70. 19920. 20. 2310160. 131117. 80. 171219. 40. 21a) Create a scatterplot of the data using Minitab and paste it below. Does a linear model seem appropriate?

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A researcher conducts an experiment to examine the relationship

Question
*Use Minitab to estimate the regression model and store the residual values. Do the residuals support the assumption of normality? Include a copy of the probability plot, the hypotheses being tested, and the conclusion of the test at a 5% level of significance.

(20 points) A researcher conducts an experiment to examine the relationship between the weight gain of chickens whose diets had been supplemented by different amounts of amino acid lysine and the amount of lysine ingested. Since the percentage of lysine is known, and we can monitor the amount of feed consumed, we can determine the amount of lysine eaten. A random sample of twelve 2-year old chickens was selected for the study. Each was caged separately and was allowed to eat at will from feed composed of a base supplemented with lysine. The sample data summarizing weight gains and amounts of lysine eaten over the test period are given below. (In the data, y represents with gain in grams, and x represents the amount of lysine ingested in grams.)

Chick

y

x

1

14.7

0.09

2

17.8

0.14

3

19.6

0.18

4

18.4

0.15

5

20.5

0.16

6

21.1

0.23

7

17.2

0.11

8

18.7

0.19

9

20.2

0.23

10

16

0.13

11

17.8

0.17

12

19.4

0.21

a) Create a scatterplot of the data using Minitab and paste it below. Does a linear model seem appropriate?

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