When You Reject the Null Hypothesis When There Is Actually

question 11

Multiple Choice

When you reject the null hypothesis when there is actually no difference between groups or relationships between variables, you are making a _______.

• A)Type I error
• B)Type II error
• C)Type III error
• D)error in power

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Definitions:

Main Effect

The main effect is the impact of an independent variable on a dependent variable in a statistical model, ignoring other variables' influences.

Factor A

Factor A is often used in experimental design to represent one of the independent variables being tested for its effect on a dependent variable.

Reject

In statistical analysis, to refuse to accept a null hypothesis, based on the outcome of a test showing that observed data is unlikely under the hypothesis.

Null Hypothesis

A default hypothesis that there is no significant effect or difference, used as a starting point for statistical hypothesis testing.