A marketing manager uses shelf space for pet food to predict

A marketing manager uses shelf space for pet food to predict weekly sales for 12 stores. The results show that b_1 = 7.8 and S_b_1 = 1.44. At the 0.05 level of significance, is there evidence of a linear relationship between shelf space and sales? Construct a 95% confidence interval estimate of the population slope, beta_1 Determine the hypotheses for the test. Choose the correct answer below.

Solution

Ho : B1 >= 0

H1 B1 < 0