Employees Test Scores Narrative

Essay

Employees Test Scores Narrative
A random sample of 35 employees who completed two years of college were asked to take a basic mathematics test. The mean and standard deviation of their scores were 75.1 and 12.8, respectively. In a random sample of 50 employees who completed only high school, the mean and standard deviation of the test scores were 72.1 and 14.6, respectively.
-Refer to Employees Test Scores Narrative. Estimate with 90% confidence the difference in mean scores between the two groups of employees.