significant increase in the typical salesperson's weekly income

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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15. FILE The management of Discount Furniture, a chaln of discount furniture stores
In the Northeast, designed an Incentlve plan for salespeople. To evaluate this inno-
vative plan, 12 salespeople were selected at random, and their weekly incomes
before and after the plan were recorded.
Salesperson
Before
After
Sld Mahone
Carol Qulck
Tom Jackson
$320
$340
290
285
421
475
Andy Jones
Jean Sloan
510
510
210
210
Jack Walker
402
500
Peg Mancuso
Anita Loma
625
560
360
431
631
560
John Cuso
Carl Utz
A. S. Kushner
Fern Lawton
365
431
506
525
505
619
Scanned with CamScanner
TWO-SAMPLE TESTS OF HYPOTHESIS
325
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.
Transcribed Image Text:15. FILE The management of Discount Furniture, a chaln of discount furniture stores In the Northeast, designed an Incentlve plan for salespeople. To evaluate this inno- vative plan, 12 salespeople were selected at random, and their weekly incomes before and after the plan were recorded. Salesperson Before After Sld Mahone Carol Qulck Tom Jackson $320 $340 290 285 421 475 Andy Jones Jean Sloan 510 510 210 210 Jack Walker 402 500 Peg Mancuso Anita Loma 625 560 360 431 631 560 John Cuso Carl Utz A. S. Kushner Fern Lawton 365 431 506 525 505 619 Scanned with CamScanner TWO-SAMPLE TESTS OF HYPOTHESIS 325 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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