Two Accounting Professors Decided to Compare the Variance of Their

question 14

Multiple Choice

Two accounting professors decided to compare the variance of their grading procedures. To accomplish this,they each graded the same 10 exams,with the following results: At the 2% level of significance,what is the decision?

• A)Reject the null hypothesis and conclude the variances are different.
• B)Fail to reject the null hypothesis and conclude the variances are different.
• C)Reject the null hypothesis and conclude the variances are the same.
• D)Fail to reject the null hypothesis and conclude the variances are the same.

---

Definitions:

Cardiac Muscle

A specialized form of striated muscle found in the heart, responsible for pumping blood throughout the body.

Central Chemoreceptors

Sensory receptors located in the central nervous system that primarily detect changes in the acidity (pH) of cerebrospinal fluid.

Medulla Oblongata

The lower portion of the brainstem, controlling vital bodily functions such as breathing, heart rate, and blood pressure.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants in photosynthesis.