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Title: The correlation between a family's weekly income and the amount they spend on restaurant meals is ... Post by: gcd99br on Aug 30, 2019 The correlation between a family's weekly income and the amount they spend on restaurant meals is found to be r = 0.30. Which must be true?
I. Families tend to spend about 30% of their incomes in restaurants. II. In general, the higher the income, the more the family spends in restaurants. III. The line of best fit passes through 30% of the (income, restaurant$) data points. ▸ I, II, and III ▸ III only ▸ II and III only ▸ I only ▸ II only Title: The correlation between a family's weekly income and the amount they spend on restaurant meals is ... Post by: kirakira15 on Aug 30, 2019 Content hidden
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