A Major Company Would Like to Assess the Impact of Using

Essay

A major company would like to assess the impact of using a professional trainer to conduct a confidence-building workshop with their salespeople.A sample of 16 workers is obtained.Half (n = 8)attend the workshop and the other half (n = 8)serves as a control group.For the first group of salespeople who attending the training,M = 22.7 and SS = 100.For the second group of salespeople who did not attend the training,M = 17.5 and SS = 124.​Use the sample data to construct an 80% confidence interval for the mean difference in confidence between the control group and the workshop conditions.