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# P-Value

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The management of Discount Furniture, a chain of discount furniture stores in the Northeast,
designed an incentive plan for salespeople. To evaluate this innovative plan, 12 salespeople were
selected at random, and their weekly incomes before and after the plan were recorded.

Sales Person Before After

Sid Mahone \$320 \$340
Carol Quick 290 285
Tom Jackson 421 475
Andy Jones 510 510
Jean Slaon 210 210
Jack Walker 402 500
Peg Mancuso 625 631
Anita Loma 560 560
John Cuso 360 365
Carl Utz 431 431
A.S. Kushner 506 525
Fem Lawton 505 619

Was there a significant increase in the typical salesperson's weekly income due to the
innovative incentive plan? Use the .05 significance level. Estimate the p-value, and
interpret it.

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#### Solution Summary

The management of Discount Furniture, a chain of discount furniture stores in the Northeast,
designed an incentive plan for salespeople. To evaluate this innovative plan, 12 salespeople were
selected at random, and their weekly incomes before and after the plan were recorded.

Sales Person Before After

Sid Mahone \$320 \$340
Carol Quick 290 285
Tom Jackson 421 475
Andy Jones 510 510
Jean Slaon 210 210
Jack Walker 402 500
Peg Mancuso 625 631
Anita Loma 560 560
John Cuso 360 365
Carl Utz 431 431
A.S. Kushner 506 525
Fem Lawton 505 619

Was there a significant increase in the typical salesperson's weekly income due to the
innovative incentive plan? Use the .05 significance level. Estimate the p-value, and
interpret it.

\$2.49