A manager wishes to determine whether the mean times required to complete a certain task differ for the three levels of employee training. He randomly selected 10 employees with each of the three levels of training (Beginner, Intermediate and Advanced). Decide what statistical procedure would most likely be used to answer the research question. Assume all assumptions have been met for using the procedure.
A. Use regression to test the effect of an independent variable on a dependent variable
B. Two independent samples Z or t test
C. Construct confidence interval(s)
D. Paired Samples t test
E. ANOVA
F. One sample Z or t test
G. Use a chi-squared test