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1· The following data shows the yearly income (in $1,000) and age of a sample of seven individuals. Income (in $1,000) 20 24 24 25 26 27 34 Age 18 23 34 24 27 29 a. Develop the least squares regression equation b. Estimate the yearly income of a 30-year-old individual. Coments on the coefficient of determination (R Square). c. d. Use a t test to determine whether the slope is significantly different from zero. Let a 0.05.
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a. 次re 2 As 9 21.4s

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