First is it a Z or T test then do the steps necessary to answer this research question. Please number your steps. You are conducting an experiment to see if a test anxiety workshop significantly reduces test anxiety in college freshman. A
standard assessment of test anxiety is known to produce a u = 20 with a standard deviation of 9. We drawn a sample of 81
college freshman at Chaffey who had taken the workshop this semester that resulted in a mean of
18 and standard deviation of 10. Did the workshop help reduce the anxiety?