Question 1
Compared to the confidence interval estimate for a particular value of y (in a linear regression model), the interval estimate for an average value of y will be
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narrower
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wider
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the same
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None of these alternatives is correct.
Question 2
Correlation analysis is used to determine
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the equation of the regression line
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the strength of the relationship between the dependent and the independent variables
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a specific value of the dependent variable for a given value of the independent variable
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None of these alternatives is correct.