Question: Is there enough evidence to infer that age and the
Is there enough evidence to infer that age and the amount of time needed to complete the questionnaire are linearly related in Exercise 16.8?
Answer to relevant QuestionsRefer to Exercise 16.9. Use two statistics to measure the strength of the linear association. What do these statistics tell you?Assess fit of the regression line in Exercise 16.14.Are food budget and household income in Exercise 16.15 linearly related? Employ the t-test of the coefficient of correlation to answer the question.Conduct an analysis of the relationship between income (INCOME) and age (AGE). Estimate with 95% confidence the average increase in income for each additional year of age.If one spouse works longer hours does this mean that the other spouse works less hours? Test the relationship between HRS1 and SPHRS1 to answer the question.
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