Two Accounting Professors Decided to Compare the Variance of Their

question 30

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 10% level of significance,what is the decision regarding the null hypothesis?

• A)Reject the null hypothesis and conclude the variances are different.
• B)Fail to reject the null hypothesis and conclude no significant difference in the variances.
• 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.

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Definitions:

Computer-Consulting

A service field that provides expert advice and solutions in the area of information technology and computer systems.

Probability Distribution

A function or rule that assigns probabilities to each value of a random variable, showing how probabilities are distributed over its possible values.

Poisson Distribution

A probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space if these events happen with a known constant mean rate and independently of the time since the last event.

Occurrences

Instances or examples of something happening; events that take place.