2017SP MATH 2342 83470 Save Homework: Section 9.4 Homework 8 of 11 (5 complete)

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2017SP MATH 2342 83470 Save Homework: Section 9.4 Homework 8 of 11 (5 complete) HW Score: 22.73%, 2.5 of 11 pts Score: 0 of 1 pt Question Help 9.4.21-T wil Refer to the data set in the accompanying table. Assume that the paired sample data is a simple random sample and the differences have a distrbution that is approximately normal. Use a significance level of 0.01 to test for a difference between the weights of discarded paper (in pounds) and of discarded plastic (n Click the icon to view the data. In this example, wd is the mean value of the differences d for the population of a pairs of data, where each individual dinerence d is defined as the weight of discarded paper minus the weight of discarded plastic for a household. What are the null and altemative hypotheses for the hypothesis test? Identify the test statistic. t. (Round to two decimal places as needed.)

Explanation / Answer

Test statistics, t = 3.4982

Paper Plastic dbar 6.44 8.4 -1.96 9.19 3.74 5.45 14.33 6.43 7.9 16.39 9.7 6.69 6.33 3.86 2.47 8.72 9.2 -0.48 17.65 11.26 6.39 16.08 14.36 1.72 11.36 10.25 1.11 6.83 3.57 3.26 11.08 12.47 -1.39 12.32 11.17 1.15 5.86 3.91 1.95 9.45 3.02 6.43 12.43 8.57 3.86 6.05 2.73 3.32 2.8 5.92 -3.12 13.31 19.7 -6.39 3.27 0.63 2.64 6.67 6.09 0.58 2.41 1.13 1.28 6.38 8.82 -2.44 13.05 12.31 0.74 7.72 3.86 3.86 7.98 6.09 1.89 15.09 9.11 5.98 6.96 7.6 -0.64 20.12 18.35 1.77 13.61 8.95 4.66 9.83 6.26 3.57 Mean 2.075

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