(a) State the null hypothesis H, and the alternative hypothesis H,.Ho :0H :0(b) Determine the type of test statistic to use.D=DOSO(Choose one)(c) Find the value of the test statistic. (Round to three or more decimal places.)(d) Find the two critical values at the 0.01 level of significance. (Round to three or more decimal places.)|and(e) Can we conclude that u,, the mean travel time via the 10 freeway, is different from u,, the meantravel time via the 60 freeway?O Yes ONo EspaKala has two ways to travel from her home in Norco to her office in Los Angeles. One is to go via the 10 Freeway, and the other is to go via 60 Freeway. In orderto determine which way she should travel on a daily basis, Kala has recorded the travel times for samples of fourteen trips via the 10 Freeway and fourteen tripsvia the 60 Freeway. The following table gives the travel times (in minutes) for the twenty-eight trips.Travel times in minutes10 Freeway 67, 71, 69, 67, 74, 73, 70, 76, 74, 74, 69, 75, 67, 7360 Freeway 75, 69, 69, 78, 75, 75, 71, 79, 81, 76, 77, 70, 74, 74Send data to calculatorSend data to ExcelAssume that the two populations of travel times are normally distributed and that the population variances are equal.Can we conclude, at the 0.01 level of significance, thatthe meanvel time via the 10 freeway, is different from µ,, the mean travel time via the 60freeway?Perform a two-tailed test. Then complete the parts below.Carry your intermediate computations to three or more decimal places and round your answers as specified in the table. (If necessary, consult a list offormulas.)

There are two independent samples which are 10 Freeway and 60 Freeway. We have to test whether the…

Answered: Kala has two ways to travel from her…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Jeff Friedman was a section chief for an electric utility company. After the numbers in one of his reports to the management of the utility didn't add up, he was reassigned to the home economics department. He interviewed 119 people in a suburban shopping center to discover some of their cooking habits. He obtained the results shown to the right. 53 use microwave ovens; 63 use electric ranges; 52 use gas ranges; 23 use microwave ovens and electric ranges; 20 use microwave ovens and gas ranges; 8 use both gas and electric ranges; 2 use all three; 4 uses none of the three. Should he be reassigned one more time? Why or why not? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. Yes, he should be reassigned. He says that he interviewed 119 people, but the numbers in his report indicate that he actually interviewed some error, he should be reassigned. people. Since he made B. No he should not be reassigned. He says that he interviewed 119…
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the records at a veterinary clinic show that out of the 3412 animals registered at the clinic, 1712 are dogs, 1012 are cats and the rest are birds. A stratified sample of 200 animals is to be chosen. Approximately how many birds should be included in the sample if the proportions of the types of animals in the sample are to reflect those of the whole clinic?
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Rita has two ways to travel from her home in Norco to her office in Los Angeles. One is to go via the 10 Freeway, and the other is to go via 60 Freeway. In order to determine which way she should travel on a daily basis, Rita has recorded the travel times for samples of twelve trips via the 10 Freeway and twelve trips via the 60 Freeway. The following table gives the travel times (in minutes) for the twenty-four trips. Travel times in minutes 10 Freeway 66, 70, 73, 71, 72, 71, 65, 74, 69, 71, 75, 71 60 Freeway 77, 72, 71, 68, 74, 80, 70, 78, 76, 71, 68, 67 Assume that the two populations of travel times are normally distributed and that the population variances are equal. Can we conclude, at the 0.01 level of significance, that the mean travel time via the 10 freeway, μ1, is different from μ2, the mean travel time via the 60 freeway? Perform a two-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places and…
The owners of an amusement park count the number of adults and children who attend the park on a Friday and Saturday. The completed table is shown below. Friday Saturday Total Adults 245 371 616 Children 154 277 431 Total 399 648 1,047 How does the joint frequency for the number of adults who attended the amusement park on Friday compare to the joint frequency for the number of children who attended the amusement park on Saturday? The joint frequency for the number of adults who attended the amusement park on Friday is 399, which is less than the joint frequency for the number of children who attended the amusement park on Saturday, 431. The joint frequency for the number of adults who attended the amusement park on Friday is 154, which is less than the joint frequency for the number of children who attended the amusement park on Saturday, 277. The joint frequency for the number of adults who attended the amusement park on Friday is 371, which is…
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