A survey of 36 randomly selected students who dropped a course was conducted at a college.The following results were collected. Complete parts (a) through (c).Full data setM Course M Work F PersonalF Work FPersonal FF Work M Work IMM Personal FF Personal MM Personal FM Course FM Course MCourse FCourse FPersonal MWork MPersonalPersonalCoursePersonalCourseCourseWork F PersonalWorkF Personal F Course MWorkM Work M Course MWork M Work FM Course M Personal FPersonalCourse|Σ||Σ(a) Construct a contingency table for the two variables.CoursePersonalMaleFemale(b) Test whether gender is independent of drop reason at the α = 0.1 level of significance.What are the hypotheses?O A. Ho: Gender and drop reason are independent.H₁:: Gender and drop reason are dependent.O B. Ho: Pc = PP = PwH₁: At least one of the proportions is different from the others.C. Ho: Oc=Ec and Op = Ep and Ow = EwH₁: Oc Ec or Op #Ep or Ow #EwCalculate the test statistic.x² ==(Round to three decimal places as needed.)Determine the P-value.WorkP-value =(Round to three decimal places as needed.) Make the proper conclusion. Choose the correct answer below.A. Reject Ho. There is not sufficient evidence that gender and drop reason aredependent.B. Fail to reject Ho. There is not sufficient evidence that gender and drop reasonare dependent.C. Reject Ho. There is sufficient evidence that gender and drop reason aredependent.D. Fail to reject Ho. There is sufficient evidence that gender and drop reason aredependent.(c) Construct a conditional distribution of drop reason by gender. Fill in the table below.MaleFemale(Round to three decimal places as needed.)Choose the correct bar graph below.A.B.CCourseMalePCWPMaleWWMaleCPWFemaleC P WFemaleWPFemalePersonalWork

Answered: A survey of 36 randomly selected…

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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The following data contains days when road rage occurred according to a study. The goal of the study is to determine when road rage occurs most often. M, Sa, F, Tu, Su, F, Tu, W, F, F, F, M, F, Th, F, W, Th, Sa, F, W, Tu, Th, F, F, W, Th, M, Th, F, M, Sa, Tu, F, Tu, F, F, Su, W, Th, M, F, F, F, Su, F, M, Tu Find the mode of the above data. Mode =
The following data represent the pulse rates (beats per minute) of nine students enrolled in a statistics course. Treat the nine students as a population. Complete parts (a) through (c). Student Perpectual Bempah Megan Brooks Jeff Honeycutt Clarice Jefferson Crystal Kurtenbach Janette Lantka Kevin McCarthy Tammy Ohm Kathy Wojdya Pulse 63 79 87 75 81 81 68 74 84 (a) Determine the population mean pulse. The population mean pulse is approximately 76.9 beats per minute. (Round to one decimal place as needed.) (b) Determine the sample mean pulse of the following two simple random samples of size 3. Sample 1: {Kathy, Kevin, Megan} Sample 2: (Perpectual, Megan, Jeff} The mean pulse of sample 1 is approximately (Round to one decimal place as needed.) A beats per minute.
The following data represent the pulse rates (beats per minute) of nine students enrolled in a statistics course. Treat the nine students as a population. Complete parts (a) through (c). Student Perpectual Bempah Megan Brooks Jeff Honeycutt Clarice Jefferson Crystal Kurtenbach Janette Lantka Kevin McCarthy Tammy Ohm Kathy Wojdya Pulse 79 86 84 86 69 86 75 78 88 (a) Determine the population mean pulse. The population mean pulse is approximately (Round to one decimal place as needed.) (b) Determine the sample mean pulse of the following two simple random samples of size 3. Sample 1: (Megan, Kathy, Janette} Sample 2: (Tammy, Kevin, Crystal} The mean pulse of sample 1 is approximately (Round to one decimal place as needed.) The mean pulse of sample 2, is approximately (Round to one decimal place as needed.) The mean pulse rate of sample 1 beats per minute. The mean pulse rate of sample 2 beats per minute. (c) Determine if the means of samples 1 and 2 overestimate, underestimate, or are…
What is the answer to part D?
The National Football League (NFL) records a variety of performance data for individuals and teams. To investigate the importance of passing on the percentage of games won by a team, the following data show the average number of passing yards per attempt (Yards/Attempt) and the percentage of games won (WinPct) for a random sample of 10 NFL teams for the 2011 season.† Team Yards/Attempt WinPct Arizona Cardinals 6.5 50 Atlanta Falcons 7.1 63 Carolina Panthers 7.4 38 Chicago Bears 6.4 50 Dallas Cowboys 7.4 50 New England Patriots 8.3 81 Philadelphia Eagles 7.4 50 Seattle Seahawks 6.1 44 St. Louis Rams 5.2 13 Tampa Bay Buccaneers 6.2 25 (a) Develop a scatter diagram with the number of passing yards per attempt on the horizontal axis and the percentage of games won on the vertical axis. A scatter diagram has 9 points plotted on it. The horizontal axis ranges from 5 to 9 and is labeled: Yards/Attempt. The vertical axis ranges from 0 to 90 and is labeled: Win %.…
A Statistics class reports the following data on Sex and Eye Color for students in the class: Green/Hazel/Other Total Blue 8 Brown 20 34 4 16 32 36 66 Males Females Total 12 16 12 18 a. What percent of the blue-eyed students are male? type your answer... % b. What percent of the class are blue-eyed males? % type your answer... c. What percent of the male students have blue eyes? type your answer... % d. What percent of the students who do not have blue eyes are females? % type your answer... e. What's the conditional distribution of sex for the brown-eyed students? Male: type your answer... % Female: type your answer... % f. What's the conditional distribution of Eye Color for the males? Blue: type your answer... Brown: type your answer... % %
Find the median of the following data points 12 21 45 27 40 37 33 O 40 О 3 27 O 37
Let x be the percentage of 16- to 19-year-olds not in school and not high school graduates. Let y be the reported violent crimes per 1000 residents. Six small cities in Arkansas (Blytheville, El Dorado, Hot Springs, Jonesboro, Rogers, and Russellville) reported the following information about x and y. x 24.2 18.6 17.8 14.9 19.0 17.5 y 13.0 4.6 8.8 1.3 0.8 3.6 Complete parts (a) through (e), given Σx = 112, Σy = 32.1, Σx2 = 2137.7, Σy2 = 282.89, Σxy = 654.37, and r ≈ 0.763. (b) Verify the given sums Σx, Σy, Σx2, Σy2, Σxy, and the value of the sample correlation coefficient r. (Round your value for r to three decimal places.) Σx = Σy = Σx2 = Σy2 = Σxy = r = (c) Find x, and y. Then find the equation of the least-squares line = a + bx. (Round your answers for x and y to two decimal places. Round your answers for a and b to three decimal places.) x = y = = + x

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