DrHinson Used a One-Way ANOVA,repeated Measures and Has Set His

question 45

Multiple Choice

Dr.Hinson used a One-Way ANOVA,repeated measures and has set his alpha level at .05 nondirectional.He reported the following: F(2,19) =6.99.Based on this information what can you conclude?

• A)There was a significant difference between groups (reject null hypothesis)
• B)There was no significant difference between groups (do not reject null hypothesis)
• C)A type II error has been committed
• D)There is a significant main effect of your independent variable
• E)None of these

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, showing how much the values differ from the mean.

Margin Of Error

An expression of the maximum expected difference between the true population parameter and a sample estimate of that parameter.

T-Distribution

A probability distribution that arises in the sampling distribution of the sample mean, especially when the sample size is small and the population variance is unknown.

Confidence Interval

A range of values, derived from sample data, that is believed to contain the true population parameter with a certain level of confidence.