In a simple linear regression based on 25 observations it

Question

In a simple linear regression based on 25 observations, it is found that b₁ = 0.5 and S_b1 = 0.3. Consider the hypotheses:

H₀: β₁ ≤ 0 and H_A: β₁, > 0.

a. Calculate the value of the appropriate test statistic.

b. At the 5% significance level, what is the critical value?

c. What is the conclusion to the test?