Question
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,
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. |
Salesperson | Before | After |
Sid Mahone | $320 | $340 |
Carol Quick | 290 | 285 |
Tom Jackson | 421 | 475 |
Andy Jones | 510 | 510 |
Jean Sloan | 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 |
Fern Lawton | 505 | 619 |
Hint: For the calculations, assume the "After" data as the first sample. |
Click here for the Excel Data File |
1. | State the decision rule for .05 significance level:H0: d 0;H1: d> 0.(Round your answer to 3 decimal places.) |
RejectH0ift> |
2. | Compute the value of the test statistic.(Round your answer to 2 decimal places.) |
Value of the test statistic |
3. | Compute thep-value.(Round your answer to 2 decimal places.) |
p-value is greater than(Click to select)0.0050.00050.025and less than(Click to select)0.10.010.05. |
4. | Was there a significant increase in the typical salesperson's weekly income due to the innovative incentive plan? Use the 0.05 significance level. |
(Click to select)Fail to rejectReject H0. There is (Click to select)a significantno significantincrease in the typical salesperson's weekly income dueto the innovative incentive plan. |
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