Unformatted text preview: 7. The denominator of the ttest for related scores is? the standard deviation of the difference between pairs of scores 8. The degrees of freedom for ttest for related scores is equal to? Nparis 1 9. Which of the following statistics provides a measure of the proportion of the variance in the dependent variable that can be predicted from the independent variable? Eta square 10. Type I error? is the probability that the null hypothesis will be rejected when it is true 11. The standard error of the difference between two means? is the standard deviation of the difference between two sample means 12. The degrees of freedom of a test statistic indicate? the number of pieces of information that were free to vary in computing a test statistic 13. Confounding occurs in an experiment? when a extraneous variable can explain differences between experimental groups...
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 Spring '07
 Walsh
 Statistics, Normal Distribution, Null hypothesis

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