A study was conducted to investigate whether local car mechanics charge women more than men for an alternator repair. The researcher selected randomly one man and one woman from everyone who had used the same mechanic for the same alternator repair. The process was repeated for a total of six selected randomly cars. The repair prices and the differences (Women – Men) are shown in the table. Do the data provide convincing statistical evidence that women pay more than men for the same alternator repair?
A study was conducted to investigate whether local car mechanics charge women more than men for an alternator repair. The researcher selected randomly one man and one woman from everyone who had used the same mechanic for the same alternator repair. The process was repeated for a total of six selected randomly cars. The repair prices and the differences (Women – Men) are shown in the table. Do the data provide convincing statistical evidence that women pay more than men for the same alternator repair?
Chapter6: Systems Of Equations And Inequalities
Section: Chapter Questions
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A study was conducted to investigate whether local car mechanics charge women more than men for an alternator repair. The researcher selected randomly one man and one woman from everyone who had used the same mechanic for the same alternator repair. The process was repeated for a total of six selected randomly cars. The repair prices and the differences (Women – Men) are shown in the table.
Do the data provide convincing statistical evidence that women pay more than men for the same alternator repair?
Transcribed Image Text:Car 1 Car 2 Car 3 Car 4 Car 5 Car 6
Women
$625 $580 $500 $350 $425 $525
Men
$595 $560 $485 $330 $495 $465
Difference $30 $20 $15
$20 -$70 $60
Мean
Standard Deviation
Women
$500.83 $100.77
Men
$488.33 $91.85
Difference $12.50
$43.56
Dotplots of the data and the differences are shown.
Women
300
350
400
450
500
550
600
650
Men
300
350
400
450
500
550
600
650
Difference
-100
-80
-60
-40
-20
20
40
60
80
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