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Question: Answer the parts of exercise using experience in place of annual salary.

Exercise: Break down the annual salaries into three groups according to training level (A, B, or C).

a. Draw box plots to compare these three groups. Comment on what you see.

b. Find the average for each training level, and comment.

c. Find the between-sample and the within-sample variability's and their respective degrees of freedom.

d. Find the F statistic and its numbers of degrees of freedom.

e. Perform the F test at level 0.05 and report the results.

f. Report the results of the least-significant-difference test, if appropriate.

g. Summarize what you have learned about the database from this problem.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92639492

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