Exam 23: Bivariate Statistical Analysis: Measures of Association

The Pearson product-moment correlation requires at least ______ data.

When the correlation between two variables is +0.92, this means that as one variable ______ , the other variable ______.

The Pearson product-moment correlation requires what type of scale for the data?

The extent to which a change in one variable corresponds systematically to a change in another is referred to as _____.

If r = -0.88, this indicates a weak relationship between the two variables under study.

Covariation in which the association between variables is in the opposite direction indicates a(n) _____ relationship.

_____ regression estimates should be used when the researcher is testing explanatory hypotheses.

The square of the correlation coefficient is called the _____.

If the number of coupons given out at shopping malls is used to predict the number of tickets that will be sold to a country and western band's performance at a local club, the number of coupons is the ______ variable.

If there is no relationship between two variables, the correlation coefficient between them would be _____.

Regression is a(n) _____ technique whereas correlation is a(n) _____ technique.

Explain how regression differs from correlation.

If the correlation between two variables is - 0.85, this means that ____.

Compare and contrast correlation, covariance, and causation.

In regression analysis, the dependent variable is also called the _____ variable.

In regression, the standardized Y-intercept term is always 0.

The extent to which a change in one variable corresponds systematically to a change in another is called _____.

The square of the correlation coefficient indicates the part of the total variance of dependent variable that can be accounted for by the independent variable.

Which of the following represents the proportion of the total variance of a variable accounted for by another value of another variable?

If the purpose of the regression analysis is forecasting, then _____ parameter estimates must be used.