Use the Following Information for Questions:
a Regression Line $?_1$

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 the value of the test statistic for the following hypothesis test about $?_1$ , the population slope?
H₀: $?_1 = 0$
H_a: $?_1 ? 0$