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 β1 > 3? Perform the appropriate hypothesis test.

d. Can you conclude that β2<-0.1? Perform the appropriate hypothesis test.

Week 4 notes (Test was on Wednesday so this only includes Friday’s lecture) Horsetails -are everywhere except Asia and Australia -1 genus has 30 species -Were diverse during the carboniferous period Seeds -contains embryo surrounded by nutrients with a covering to protect it -Plants were able to become dominant produces with the evolution of the seed -seeds...