Use the Following Information for Questions:
a Regression Line $\beta$

Short Answer

Use the following information for questions:
A regression line relating y = hours of sleep the previous day to x =hours studied the previous day is estimated using data from n = 10 students. The estimated slope b₁ = -0.30. The standard error of the slope is s.e.(b₁) = 0.20.
-What is a 90% confidence interval for $\beta$ ₁ , the population slope?