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question 8

Essay

$\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\text { Training costs }$
$\begin{array}{|c|c|c|c|}\hline \text { Sales } & \text { Service } & \text { Warehouse } & \text { Management } \\\hline 5339 & 7540 & 5453 & 7373 \\\hline 6970 & 3997 & 5421 & 5996 \\\hline 4497 & 5295 & 5381 & 6697 \\\hline 4750 & 4689 & 8074 & 7429 \\\hline 5357 & 3980 & 6473 & 7617 \\\hline\end{array}$ You would like to compare employees in each of the four departments of your organization: the sales department, the service department, the warehouse, and management. Specifically, you want to know if training costs are different due to Department. Complete the full hypothesis testing process as described in Chapter 7 to examine this question and draw all appropriate conclusions.

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Definitions:

T-score

is a type of standardized score that indicates how many standard deviations an individual's score is from the mean of a norm group.

Percentile

A percentile is a statistical measure indicating the value below which a given percentage of observations in a group of observations falls.

Mode

A measure of central tendency that represents the score with the greatest frequency in a distribution.

Group of Data

A group of data refers to a collection of related data points or information that are often analyzed together to identify patterns, trends, or insights.