Solved: Refer to Exercise 1.a. Find a 95% confidence

Chapter 8, Problem 2SE

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QUESTION:

Refer to Exercise 1.

a. Find a 95% confidence interval for the coefficient of Oxygen.

b. Find a 99% confidence interval for the coefficient of Nitrogen.

c. Find a 98% confidence interval for the coefficient of the interaction term Oxygen · Nitrogen.

d. Can you conclude that \(\beta_1<-75\)? Find the P-value.

e. Can you conclude that \(\beta_2>-1000\)? Find the P-value.

Equation Transcription:

Text Transcription:

beta_1<-75

beta_2>-1000

Questions & Answers

QUESTION:

Refer to Exercise 1.

a. Find a 95% confidence interval for the coefficient of Oxygen.

b. Find a 99% confidence interval for the coefficient of Nitrogen.

c. Find a 98% confidence interval for the coefficient of the interaction term Oxygen · Nitrogen.

d. Can you conclude that \(\beta_1<-75\)? Find the P-value.

e. Can you conclude that \(\beta_2>-1000\)? Find the P-value.

Equation Transcription:

Text Transcription:

beta_1<-75

beta_2>-1000

ANSWER:

Step 1 of 6

Given that,

Refer to Exercise 1,

The following MINITAB output presents results of fitting the model:

 

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