Exam 14: Determining Relationships

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Which of the following is NOT one of the items to report when regression is used as a screening device or for understanding?

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What Greek symbol denotes the true intercept in regression analysis?

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B

The null hypothesis for a correlation states that:

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In regression,the variable being predicted,x,is known as the dependant variable.

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A correlation coefficient is an index number constrained to fall between the range of:

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When it comes to determining the strength of a statistically significant correlation coefficient,there are rules of thumb.For example,.81 to 1.00 is considered "weak."

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What is the name of the statistical procedure to determine if a systematic linear relationship exists between two metric-scaled variables?

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Correlation coefficients that fall between -1.00 and -.81 or between -1.00 and -.81 are generally considered to be:

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Relationship analyses determine whether:

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The Pearson product moment correlation measures the linear relationship between two categorical-scaled variables.

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________ is defined as the amount of change in one variable systematically associated with a change in another variable.

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In the formula for a straight line,the b stands for the ________.

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What is the intersection cell for the Row Totals column and the Column Totals row in a cross-tabulation table called?

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A table that contains the raw counts of various relationships possible in a cross-tabulation is called:

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In the chi-square test,for a significant relationship to exist:

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Chi-square analysis can determine if there is a significant relationship between two categorical variables.

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Which type of relationship is a "straight-line" relationship between two variables which allows us to know one variable if we have knowledge of the other?

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Multiple regression is used only for purposes of prediction.

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Multiple R is also called the ________.

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The chi-square test is useful for determining:

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