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5.42 A dealer in recycled paper places empty trailers at various sites. The trailers are gradu- ally filled by individuals who bring in old newspapers and magazines and are picked up on several schedules. One such schedule involves pickup every second week. This schedule is desir- able if the average amount of recycled paper is more than 1,600 cubic feet per 2-week period. The dealer's records for 18 2-week periods show the following volumes (in cubic feet) at a particular site: 1,660 1,820 1,590 1,440 1.730 1.680 1,750 1,720 1.900 1,570 1,700 1.900 1,800 1,770 2,010 1,580 1,620 1.690 y = 1,718.3 and s= 137.8 a. Assuming the 18 2-week periods are fairly typical of the volumes throughout the year, is there significant evidence that the average volume u is greater than 1.600 cubic feet? b. Place a 95% confidence interval on u. c. Compute the p-value for the test statistic. Is there strong evidence that u is greater than 1,600?

5.42 A dealer in recycled paper places empty trailers at various sites. The trailers are gradu- ally filled by individuals who bring in old newspapers and magazines and are picked up on several schedules. One such schedule involves pickup every second week. This schedule is desir- able if the average amount of recycled paper is more than 1,600 cubic feet per 2-week period. The dealer's records for 18 2-week periods show the following volumes (in cubic feet) at a particular site: 1,660 1,820 1,590 1,440 1.730 1.680 1,750 1,720 1.900 1,570 1,700 1.900 1,800 1,770 2,010 1,580 1,620 1.690 y = 1,718.3 and s= 137.8 a. Assuming the 18 2-week periods are fairly typical of the volumes throughout the year, is there significant evidence that the average volume u is greater than 1.600 cubic feet? b. Place a 95% confidence interval on u. c. Compute the p-value for the test statistic. Is there strong evidence that u is greater than 1,600?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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QUESTION 2 5.42a: What assumption do you need to make, in order to make your answer appropriate and applicable Hint: L-11, p. 18 That the pickup schedule is random That the volumes are normally distributed None of the above That the population and sample standard deviations are equal
Transcribed Image Text:QUESTION 2 5.42a: What assumption do you need to make, in order to make your answer appropriate and applicable Hint: L-11, p. 18 That the pickup schedule is random That the volumes are normally distributed None of the above That the population and sample standard deviations are equal
5.42 A dealer in recycled paper places empty trailers at various sites. The trailers are gradu- ally filled by individuals who bring in old newspapers and magazines and are picked up on several schedules. One such schedule involves pickup every second week. This schedule is desir- able if the average amount of recycled paper is more than 1,600 cubic feet per 2-week period. The dealer's records for 18 2-week periods show the following volumes (in cubic feet) at a particular site: 1,660 1,820 1.590 1,440 1,730 1,680 1,750 1,720 1.900 1,570 1,700 1,900 1,800 1,770 2,010 1,580 1,620 1,690 y = 1,718.3 and s = 137.8 a. Assuming the 18 2-week periods are fairly typical of the volumes throughout the year, is there significant evidence that the average volume u is greater than 1,600 cubic feet? b. Place a 95% confidence interval on u. c. Compute the p-value for the test statistic. Is there strong evidence that u is greater than 1,600?
Transcribed Image Text:5.42 A dealer in recycled paper places empty trailers at various sites. The trailers are gradu- ally filled by individuals who bring in old newspapers and magazines and are picked up on several schedules. One such schedule involves pickup every second week. This schedule is desir- able if the average amount of recycled paper is more than 1,600 cubic feet per 2-week period. The dealer's records for 18 2-week periods show the following volumes (in cubic feet) at a particular site: 1,660 1,820 1.590 1,440 1,730 1,680 1,750 1,720 1.900 1,570 1,700 1,900 1,800 1,770 2,010 1,580 1,620 1,690 y = 1,718.3 and s = 137.8 a. Assuming the 18 2-week periods are fairly typical of the volumes throughout the year, is there significant evidence that the average volume u is greater than 1,600 cubic feet? b. Place a 95% confidence interval on u. c. Compute the p-value for the test statistic. Is there strong evidence that u is greater than 1,600?
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