Based on a sample of size 25, the following regression equation is derived: y=25+0.6X. If the standard error of the regression slope is equal to 0.06, what is the value of the test statistic to test if the predictor variable is significant (B1 is not zero)? Question 9 (1 point) A large software development firm recently relocated its facilities. Top management is interested in fostering good relations with their new local community and has encouraged their professional employees to engage in local service activities. They want to test if the firm's professionals volunteer an average of more than 15 hours per month. Because if this is not the case, they will institute an incentive program to increase community involvement. The correct null and alternative hypotheses are O Ho: = 15 and HA: >15. Ho: 15 and HA: >15. * Ho: 15 and HA: # 15. = Ho: M=15 and HA