Refer to Exercise 1.a. Find a 95% confidence interval for

Chapter 8, Problem 2E

(choose chapter or problem)

Refer to Exercise 1.

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

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

c. Can you conclude that $\beta_1>3$? Perform the appropriate hypothesis test.

d. Can you conclude that $\beta_2<-0.1$? Perform the appropriate hypothesis test.

Equation Transcription:

${\beta{}}_{1}>3$

${\beta{}}_{2}<-0.1$

Text Transcription:

beta_1>3

beta_2<-0.1

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