The Following Data Are Available for a Simple Linear Regression

Multiple Choice

The following data are available for a simple linear regression analysis attempting to link hours of training (x) to hourly output (y) . In applying the least squares criterion, the slope (b) and the intercept (a) for the best-fitting line are b = 2.4 and a = 3.6.You are to set up a hypothesis test to determine whether you can reject the hypothesis that the population slope, β, is 0 at the 5% significance level.Report the value of the appropriate sample test statistic, t_stat.

A) 3.46
B) 2.12
C) 1.87
D) 2.4
E) 4.42