The following sample data represent the number of late and on time flights for the Delta, United and US Airways.Excel File: data12-19.xlsxAirlineFlightUnitedUS AirwaysDeltaLate395156On Time261249344a. Formulate the hypotheses for a test that will determine whether the population proportion of late flights is the same for all three airlines.Ho : - Select your answer -Ha :- Select your answer -b. Conduct the hypothesis test with a 0.05 level of significance. What is the p-value? Use Table 3 of Appendix B.The p-value is - Select your answer -What is your conclusion?Select your answer -c. Compute the sample proportion of late flights for each airline.P1 =(to 2 decimals)P2 =(to 2 decimals)P3(to 2 decimals)What is the overall proportion of late flights for the three airlines? Round your answer to three decimal places.The overall proportion of late flights for the three airlines is .00.01.02.03.04.05.06.07.08.09-3.0.0013.0013.0013.0012.0012.0011.0011.0011.0010.0010-2.9.0019.0018.0018.0017.0016.0016.0015.0015.0014.0014-2.8.0026.0025.0024.0023.0023.0022.0021.0021.0020.0019-2.7.0035.0034.0033.0032.0031.0030.0029.0028.0027.0026-2.6.0047.0045.0044.0043.0041.0040.0039.0038.0037.0036-2.5.0062.0060.0059.0057.0055.0054.0052.0051.0049.0048-2.4.0082.0080.0078.0075.0073.0071.0069.0068.0066.0064-2.3.0107.0104.0102.0099.0096.0094.0091.0089.0087.0084-2.2.0139.0136.0132.0129.0125.0122.0119.0116.0113.0110-2.1.0179.0174.0170.0166.0162.0158.0154.0150.0146.0143-2.0.0228.0222.0217.0212.0207.0202.0197.0192.0188.0183-1.9.0287.0281.0274.0268.0262.0256.0250.0244.0239.0233-1.8.0359.0351.0344.0336.0329.0322.0314.0307.0301.0294-1.7.0446.0436.0427.0418.0409.0401.0392.0384.0375.0367-1.6.0548.0537.0526.0516.0505.0495.0485.0475.0465.0455-1.5.0668.0655.0643.0630.0618.0606.0594.05820571.0559-1.4.08080793.0778.0764.0749.0735.0721.0708.0694.0681-1.3.0968.0951.0934.0918.0901.0885.0869.0853.0838.0823-1.2.1151.1131.11121093.1075.1056.1038.1020.1003.0985-1.1.1357.1335.1314.1292.1271.1251.1230.1210.1190.1170-1.0.1587.1562.15391515.1492.1469.1446.1423.1401.1379-.9.1841.1814.17881762.1736.1711.1685.1660.1635.1611-.8211920902061.20332005.1977.1949.1922.1894.1867-7242023892358.2327229622662236220621772148-.62743.27092676.2643261125782546251424832451-.5.3085.305030152981294629122877284328102776-4.3446.3409.3372.3336.3300.3264.3228.3192.3156.3121-3.38213783.3745.3707.3669.3632.3594.3557.3520.3483-24207.41684129.409040524013.3974.3936.3897.3859-1.4602.45624522448344434404436443254286.4247-.0.50004960.49204880.48404801.4761.47214681.4641

Here we want to test whether the distribution of colors is same or not.There are three types…

Answered: The following sample data represent the…

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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20 computer screens were randomly selected from a large collection of computer screens in a company’s warehouse. These 20 computer screens are referred to as the: test statistic. parameter. population. sample.
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A Statistics teacher wants to know if students exposed to the use of technology in the classroom got significantly higher scores in Statistics exam than those who are exposed to the traditional chalk and talk method. She took a sample of 30 students exposed to technology and recorded their Statistics exam scores: 95 88 81 98 81 80 83 80 91 80 75 83 88 85 81 85 83 86 89 88 90 89 88 85 87 86 66 85 65 95She then took a sample of 40 students who were taught using the traditional method 88 78 81 87 91 90 83 84 66 81 80 74 73 71 66 60 78 78 65 60 71 85 89 79 80 83 75 73 80 71 65 71 89 81 75 60 82 80 90 83 Help the teacher verify the hypothesis at α = 0.05.
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You may need to use the appropriate technology to answer this question. The Wall Street Journal Corporate Perceptions Study 2011 surveyed readers and asked how each rated the quality of management and the reputation of the company for over 250 worldwide corporations. Both the quality of management and the reputation of the company were rated on an excellent, good, and fair categorical scale. Assume the sample data for 200 respondents below applies to this study. Reputation of Company Quality of Management Excellent Good Fair Excellent 40 25 8 Good 35 35 10 Fair 25 10 12 (a) Use a 0.05 level of significance and test for independence of the quality of management and the reputation of the company. State the null and alternative hypotheses. O H: Quality of management is independent of the reputation of the company. H: Quality of management is not independent of the reputation of the company. O H: Quality of management is independent of the reputation of the H: The proportion of companies…
The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
AS2. NO1. DATA ANALYSIS
Determine the sample in this research scenario: Dr. Eglovitch wants to know whether type of exercise, running or yoga, improves post-partum depression. One hundred women are recruited from obstetricians’ offices in the Richmond area. Group of answer choices A.100 postpartum women whose depression was measured B.Type of exercise C. Postpartum depression D. All postpartum women
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In Problems 9-12, conduct each test at the a= 0.05 level of significance by determining (a) the null and alternative hypotheses, (b) the test statistic, (c) the critical value, and (d) the P-value. Assume that the samples were obtained independently using simple random sampling.
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