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QUESTION 18 Suppose trips /wk=3.1 0.15(dist) is a linear model that predicts the number of supermarket trips a family makes per week when they live a certain distance (in miles) from a supermarket. It was established by sampling people who live within 10 miles of a supermarket. Which of the following is the correct interpretation of the slope? Q a, For each additional trip that the family makes, they live 0.15 miles away from the store 0 b. For each additional mile away from the store the family lives, they make 015 more visits per week 0 c, For each additional mile away from the store the family lives, they make 015 fewer visits per week 0 d. For each additional trip they make to the store, they live an additional 3.1 miles away. 0 e, For each additional mile away they live, they make 31 more trips to the stor