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slide13 - Chapter 13 Simple Linear Regression Bin Wang...

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Chapter 13: Simple Linear Regression Bin Wang [email protected] Department of Mathematics and Statistics University of South Alabama Mann E6 1/14
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Relationship between two variables Example 13-1: Food expenditure Suppose we take a sample of seven households from a low- to moderate-income neighborhood and collect information on their incomes and food expenditures for the past month. The information obtained (in thousands of dollars) is given in the following Table. Income Food Expenditure Income Food Expenditure 35 9 49 15 21 7 39 11 15 5 28 8 25 9 Mann E6 2/14
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Relationship between two variables Example 13-1: Food expenditure Suppose we take a sample of seven households from a low- to moderate-income neighborhood and collect information on their incomes and food expenditures for the past month. The information obtained (in thousands of dollars) is given in the following Table. Income Food Expenditure Income Food Expenditure 35 9 49 15 21 7 39 11 15 5 28 8 25 9 We are interested in the relationship between the household income and food expenditure.
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