Quiz Chapter 13.docx - In regression analysis what is the predictor variable called Variable of determination Correlation variable Dependent variable

Quiz Chapter 13.docx - In regression analysis what is the...

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In regression analysis, what is the predictor variable called? Variable of determination Correlation variable Dependent variable Independent variable Hide Feedback The independent variable provides the basis for estimation. It is the predictor variable. The dependent variable is the variable that is being predicted or estimated. It can also be described as the result or outcome for a known value of the independent variable. AACSB: Communication Accessibility: Keyboard Navigation Blooms: Remember Difficulty: 2 Medium Learning Objective: 13-01 Explain the purpose of correlation analysis. Topic: What is Correlation Analysis? Question 2 1 / 1 point What is the range of values for a coefficient of correlation? Unlimited range -1.0 to +1.0 inclusive -3 to +3 inclusive 0 to +1.0 Hide Feedback The coefficient of correlation can range from -1.0 to 1.0 inclusive. AACSB: Communication Accessibility: Keyboard Navigation Blooms: Remember Difficulty: 1 Easy Learning Objective: 13-02 Calculate a correlation coefficient to test and interpret the relationship between two variables. Topic: The Correlation Coefficient Question 3 1 / 1 point The Pearson product-moment correlation coefficient, r, requires that variables be measured with _____________. a nominal or ratio scale a nominal or ordinal scale an ordinal or ratio scale
an interval or ratio scale Hide Feedback The correlation coefficient requires that the variables be measured on an interval or ratio scale. AACSB: Communication Accessibility: Keyboard Navigation Blooms: Understand Difficulty: 2 Medium Learning Objective: 13-02 Calculate a correlation coefficient to test and interpret the relationship between two variables. Topic: The Correlation Coefficient Question 4 1 / 1 point If the correlation coefficient between two variables, X and Y , equals zero, what can be said of the variables X and Y? X causes Y . The variables are highly related. The variables are dependent on each other. The variables are not related. Hide Feedback A correlation coefficient of zero indicates the variables are not related. AACSB: Communication Accessibility: Keyboard Navigation Blooms: Understand Difficulty: 1 Easy Learning Objective: 13-02 Calculate a correlation coefficient to test and interpret the relationship between two variables. Topic: The Correlation Coefficient Question 5 1 / 1 point If the coefficient of determination is 0.94, what can we say about the relationship between two variables? The direction of the relationship is negative. 94% of the total variation of the dependent variable is explained by the independent variable. The direction of the relationship is positive. The strength of the relationship is 0.94. Hide Feedback The coefficient of determination describes the proportion of the total variation in the dependent variable that is explained by the independent variable. This means that 94% of the total variation in the dependent variable is explained by the independent variable.
AACSB: Communication Accessibility: Keyboard Navigation Blooms: Understand Difficulty: 1 Easy

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