Compute the test value. California in New York lead the list of average teacher salaries The California yearly average is 64,421 While teachers in New York make an annual salary of 62,332 Random samples of 45 teachers from each state yielded the following sample mean for California 65,939. And for New York 62,547 population standard deviation for California 8166. Population standard deviation for New York 7756.
Find the test value Z
