The Admissions Officer for the Graduate Programs at the University

question 25

Essay

The admissions officer for the graduate programs at the University of Adelaide believes that the average score on an exam at his university is significantly higher than the national average of 1300. Assume that the population standard deviation is 125 and that a random sample of 25 scores had an average of 1375.
a. State the appropriate null and alternative hypotheses.
b. Calculate the value of the test statistic and set up the rejection region. What is your conclusion?
c. Calculate the p-value.
d. Does the p-value confirm the conclusion in part (b)?

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Definitions:

Work in Process

Goods in various stages of completion throughout the factory, not yet ready for sale, comprising direct labor, material, and manufacturing overhead.

Overapplied Manufacturing Overhead

This occurs when the allocated manufacturing overhead costs are more than the actual overhead costs incurred.

Underapplied Manufacturing Overhead

This occurs when the allocated cost for manufacturing overhead is less than the actual overhead costs incurred, indicating a shortfall in cost coverage.

Work in Process

Inventory that includes goods that are in production but not yet complete.