The region chief of police has had numerous complaints that region officers are not payed enough. She hires you to investigate whether that is actually the case or not. You gather a sample of 27 police officers and find that their average salary is $38,073 with a standard deviation of $575. If you know that the average salary of police officers nationally is $38,202. This is a ________________

Confidence Interval Test

one tailed test

Multi-tailed test

Two tailed test

2.When evaluating the significance of an ANOVA test, we are interested in both____________and_______________differences:

sample and population

degree of freedom and sum of square

between and within

null and obtained