Statistics Problems - 10

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8. Award: 0.20 points    

An industrial psychologist selected a random sample of seven young urban professional couples who own their homes. The size of their home (square feet) is compared with that of their parents (one-tailed test).

Couple Name Professional Parent Gordon 1,725 1,175 Sharkey 1,310 1,120 Uselding 1,670 1,420 Bell 1,520 1,640 Kuhlman 1,290 1,360 Welch 1,880 1,750 Anderson 1,530 1,440

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Complete the following table. (Negative amounts should be indicated by a minus sign.)

Couple Difference Rank 1

2

3

4

5

6

7

At the 0.05 significance level, what is the Wilcoxon signed-rank test value?

Critical Value

Compute the T value.

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T =

At the 0.05 significance level, can we conclude that the professional couples live in larger homes than their parents? (one-tailed test)

H0. There evidence that professional couples live in larger homes.

References

Worksheet Difficulty: 2 Intermediate

Learning Objective: 16-03 Test a hypothesis of dependent populations using the Wilcoxon signed-rank test.