Psychology Students Want to Determine If There Are Differences Between

question 10

Multiple Choice

Psychology students want to determine if there are differences between the ability of business majors and science majors to solve various types of analytic problems.They conduct an experiment and record the amount of time it takes to complete each analytic problem.The following two-way ANOVA table summarizes their findings. At the 5% significance level,the conclusion for the hypothesis test about the interaction term is ______.

• A) do not reject the null hypothesis;there is no evidence of an interaction effect between major and problem type
• B) reject the null hypothesis;there is no evidence of an interaction effect between major and problem type
• C) reject the null hypothesis;there is evidence of an interaction effect between major and problem type
• D) do not reject the null hypothesis;there is evidence of an interaction effect between major and problem type

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Definitions:

Field Exciter

A device or circuit that provides the necessary DC current to the magnetic field winding of a generator or motor to initiate or enhance its operation.

Differential Setting

In protective relays, refers to the adjustment that determines the difference in current or voltage at which the device will operate to protect electrical equipment.

Compounding

Generally indicates the voltage increase caused by the series field as compared to the voltage drop of the generator.

Exciting

The process of supplying a magnetic field to a core or coil in electrical devices to induce a magnetic flux.