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In an Effort to Improve Productivity in Its Factory,a Firm

question 78

Multiple Choice

In an effort to improve productivity in its factory,a firm recently instituted a training program for its workers.One of the work crews consisted of 14 workers.Seven workers from this crew were selected at random to attend the training course.All seven workers selected successfully completed the training course.The remaining seven workers served as a control group and did not attend the training course.Three months after the training course,a foreman who did not know which employees attended the training course was asked to rank all 14 employees in terms of their productivity.A rank of 14 indicates the most productive employee in the crew,while a rank of 1 indicates the least productive worker.  Trained Ranks  Untrained Ranks 7612214943811351011\begin{array} { c c } \text { Trained Ranks } & \text { Untrained Ranks } \\7 & 6 \\12 & 2 \\14 & 9 \\4 & 3 \\8 & 1 \\13 & 5 \\10 & 11\end{array}
State the null hypothesis for this problem.


Definitions:

Budgeted Manufacturing Overhead

Budgeted manufacturing overhead is the estimated amount of indirect costs that are expected to be incurred in the manufacturing process during a specified period.

Direct Labor-hour

A measure of the total amount of time worked by employees directly involved in manufacturing a product or providing a service.

Budgeted Manufacturing Overhead

The estimated overhead costs a company anticipates for manufacturing activities within a specified budget period, used for planning and control purposes.

Direct Labor-hour

A measure of the work input in terms of hours spent by workers directly involved in the manufacturing process.

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