Decide whether it is true or false: i. In a goodness-of-fit test, the expected values are the values we would expect if the null hypothesis were true. __________ ii. A positive z-score represents data values above the mean. ___________ iii. A test to determine if college majors have any effect on starting salaries after graduation, is a test of independence. __________ iv. Using the p-value method, we do not reject the null hypothesis when p is greater than . __________ v. Correlation coefficient (r) is a measure of strength and direction of the linear relationship between the independent variable and the dependent variable. ___________