Determine which variable is the independent variable and which is the dependent variable. Calculate the correlation coefficient
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Determine which variable is the independent variable and which is the dependent variable. Calculate the correlation coefficient r, and the equation of the regression line. Plot the points and the line on a scatterplot. Does the line provide a good description of the data?
20. Grocery Costs The amount spent on groceries per week (y) and the number of household members (x) from Example 3.3 are shown here
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Related Book For
Introduction To Probability And Statistics
ISBN: 9780357114469
15th Edition
Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver
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