Question: A manager wants his employees to perform a data analysis task faster. The manager measures the employees on time to complete a task pre-training, at

  1. A manager wants his employees to perform a data analysis task faster. The manager measures the employees on time to complete a task pre-training, at training, and post-training to determine if there is an effect of training. Below are times listed for each employee to solve the problem, in minutes

Pre-training

At training

Post-training

22

18

22

25

27

19

24

25

21

28

23

26

27

23

16

28

24

24

25

24

20

26

24

22

29

25

24

26

24

23

Run a one-way ANOVA and justify whether there is a statistically significant difference due to training, using a 95% confidence interval. (25 pts)

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