Exam 12: Data Analysis: Hypothesis Testing Related to Differences, correlation, and Regression

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According to the text,samples drawn randomly from different populations are termed ________.

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________ may be desirable because it is easier to compare the beta coefficients than it is to compare the raw coefficients.

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Examples of hypotheses related to paired samples include all of the following EXCEPT ________.

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The ________ is computed as the ratio of two sample variances.

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The ________ is a symmetric bell-shaped distribution that is useful for small sample testing.

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The multiple correlation coefficient,R,can also be viewed as the simple correlation coefficient,r,between Y and Ŷ.

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A frequency distribution that depends on two sets of degrees of freedom is called an F distribution.

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According to the text,samples drawn randomly from different populations are termed independent samples.

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R² cannot decrease as more independent variables are added to the regression equation.

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In a short essay,describe an independent sample and list at least three hypotheses in marketing that relate to parameters from two different populations.

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________ is a statistical procedure for analyzing associative relationships between a metric dependent variable and one or more independent variables.

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A t-test of sample variance may be performed if it is not known whether the two populations have equal variance.

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If the probability of F is greater than the significance level α,________ and ________ should be used.

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The product moment correlation is also referred to as all of the following EXCEPT ________.

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A procedure for deriving a mathematical relationship,in the form of an equation,between a single metric dependent variable and a single metric independent variable is called ________.

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________ involves testing the significance of the overall regression equation as well as specific partial regression coefficients.

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A two-tailed test is more conservative than the corresponding one-tailed test.

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Which of the following is NOT an example of a statement that is about a single variable against a known or given standard?

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The term used to denote the standardized regression coefficient is called the alpha coefficient.

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Regression analysis is a statistical procedure for analyzing associative relationships between a metric dependent variable and one or more independent variables.

(True/False)
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