Random samples of six female and six male assistant professors were selected from among the assistant professors in a college of arts and sciences. The data on salary and years of experience are shown in Table 13.3. Note that each of the two samples (male and female)

contained two professors with 3 years of experience, but no male professor had 2 years of experience. Interpret the output of the MS Excel regression printout and graph the predicted salary lines.

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Table 13.3 Salary versus Gender and Years of Experience Years of Experience, x, Salary for Men, y Salary for Women, y 1 $60,710 $ 59,510 2 60,440 33455 63,160 61,340 63,210 61,760 64,140 62,750 65,760 63,200 65,590