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# Analysis of Variance (ANOVA) Technologies

Visit: http://www.fiu.edu/~howellip/exanova.htm

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). Do the data provide sufficient evidence to indicate that the mean times required to complete a certain task differ for at least two of the three levels of training? The data is summarized in the table.

And then determine:

Explain the amount of time it takes for the person at the ADVANCED level to complete the task. Use the data from the ANOVA test to get the information.

See attached file for full problem description.

#### Solution Preview

Level of Training n x~bar s^2
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Advanced 10 24.2 21.54
Intermediate 10 27.1 18.64
Beginner 10 30.2 17.76

A person who has received ...

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