The director of student services at Oxnard College isinterested in whether women are more likely to attendorientation than men before they begin their coursework. Arandom sample of freshmen at Oxnard College were askedwhat their gender is and whether they attended orientation.The results of the survey are shown below:Data for Gender vs.OrientationAttendanceWomenMenYes| 358444No252354What can be concluded at the a = 0.01 level of significance?For this study, we should useSelect an answera. The null and alternative hypotheses would be:Но:Select an answer >Select an answer >Select an answer(please enter a decimal and note that p1and ul represent the proportion and mean for women and p2and u2 represent the proportion and mean for men.)H1:Select an answer >Select an answerSelect an answer O (Please enter a decimal)b. The test statistic(please showyour answer to 3 decimal places.)c. The p-value(Please show your answer to%3D4 decimal places.)

There are two independent samples which are women and men. We have to test whether women are more…

Answered: The director of student services at…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

only parts D, E, & F
A researcher collects data from 30 different individuals and wants to understand the correlation between income and education. The degrees of freedom for the analysis would be?
You may need to use the appropriate technology to answer this question. Forty-minute workouts of one of the following activities three days a week will lead to a loss of weight. Suppose the following sample data show the number of calories burned during 40-minute workouts for three different activities Swimming Tennis Cycling 403 410 380 375 485 250 420 455 290 405 415 397 427 525 273 Do these data indicate differences in the amount of calories burned for the three activities? Use a 0.05 level of significance. State the null and alternative hypotheses. O H: Median, = Median, = Median. H: Medians + Median, + Median. O Ho: Median, + Median, + Median. H: Median, - Median, = Median. O H,: Not all populations of calories burned are identical. H: All populations of calories burned are identical. O Ho: All populations of calories burned are identical. H: Not all populations of calories burned are identical. O Hg: Mediang = Median, = Medianc H: Median, Median. Find the value of the test…
I. Background The Food and Drug Administration (FDA) tries to find out whether there is a relation between the number of years people smoked and the percentage of lung damage. FDA asks you for your help to find it out. You interviewed twenty people who have smoked and obtained the following data. II. Technical report: d) Choose your own significance level a (1 suggests 0.1, 0.05 or 0.01). State and test the hypothesis. Explain what your findings mean. e) Do your observations in part (b) agree to the results from part (c) and (d)? Explain f) Find the regression line equation. Explain what the line implies. g) Draw the regression line on your scatter plot. h) A man has smoked 13 years. predict the percentage for damage on his lung. (( please check images for accuracy, thank you!!!))
A middle school wanted to examine if students' sense of school belongingness increased after participating in a two-week after-school program. Thirty students were selected to participate in the after-school program. Prior to completing the program, students completed a measure of school belonging. At the end of the two-week program, students completed another measure of school belongingness. Students' scores before and after the program were then compared. What is the IV? O 30 participants (before and after) the two-week after-school program School belongingness O the middle school
Please see below. I am only given one opportunity at this. Please help!! Successful hotel managers must have personality characteristics often thought of as feminine (such as "compassionate") as well as those often thought of as masculine (such as "forceful"). The Bem Sex-Role Inventory (BSRI) is a personality test that gives separate ratings for female and male stereotypes, both on a scale of 1 to 7. A sample of 148 male general mangers of three-star and four-star hotels had mean BSRI femininity score of 5.29 with a SD of 0.78. The mean score for the general male population is μ=5.19. Do hotel managers on the average differ significantly in femininity score from men in general? A 2-sample test for proportions B z-test for proportions C 2-sample test for means D t-test for means E z-test for means
A scientific study was conducted to determine the hours of sleep that college students get per night. The study surveyed 20 college students and obtained the following data:8, 8.3, 7.8, 7.7, 8.6, 8.1, 7.7, 8.5, 8.1, 8.2, 8.2, 7.9, 8.5, 7.9, 8.3, 8.2, 7.8, 7.8, 7.8, 7.7Assuming the population standard deviation is σ=0.31σ=0.31, construct a 86% confidence interval for the average hours of sleep per night that college students get.xˉ=x̄=α2=α2=zα2=zα2=Margin of Error: E=E=We are 86% confident that college students get an average of between  hours and  hours of sleep per night. Submit QuestionQuestion
A social psychologist wanted to determine whether attitudes of men toward abortion were different in rural and urban areas. He prepared a questionnaire and administered it to a group of city dwellers and a group of country dwellers. Each city man was matched with a country man on age, income, and education. High scores indicate positive attitudes toward abortion. Here are the questionnaire scores. Rural Men          Urban Men 22 25 19 23 18 20 17 18 15 12 10 9 6 4 4 3 a.         What statistical method should be used and why? b.       Calculate a 95% confidence interval about the difference in the two populations. c.        Use the CI to test the null hypothesis that rural and urban men have identical attitudes toward abortion.
A contributor for the local newspaper is writing an article for the weekly fitness section. To prepare for the story, she conducts a study to compare the exercise habits of people who exercise in the morning to the exercise habits of people who work out in the afternoon or evening. She selects three different health centers from which to draw her samples. The 6060 people she sampled who work out in the morning have a mean of 3.33.3 hours of exercise each week. The 4747 people surveyed who exercise in the afternoon or evening have a mean of 3.43.4 hours of exercise each week. Assume that the weekly exercise times have a population standard deviation of 0.40.4 hours for people who exercise in the morning and 0.70.7 hours for people who exercise in the afternoon or evening. Let Population 1 be people who exercise in the morning and Population 2 be people who exercise in the afternoon or evening. Step 1 of 2 :   Construct a 99%99% confidence interval for the true difference…
2. For Americans using library services, the American Library Association claims that at most 70% of patrons borrow books. The library director in Owensboro, Kentucky feels this is not true, so she asked a local college statistic class to conduct a survey. The class randomly selected 100 patrons and found that 85 borrowed books. Did the class demonstrate that the percentage was higher in Owensboro, KY? Use a = 0.01 level of significance. What is the possible proportion of patrons that do borrow books from the Owensboro Library?
Four scenarios of statistical studies are given below. Decide which study uses a population parameter. Answer O Lakeside Family Dentistry reported that 6 of the 15 patients who came in for a regular cleaning one day had at least one cavity. O As part of her senior project, Kaisa asked 84 of her classmates if they voted in the last presidential election. 39 said yes. O of 351 dog owners who were surveyed, 70 reported owning two dogs. The average finish time for the Ironman, Kona was 11:32 for the 1883 finishers, with an average swim time of 1:14, an average bike time time of 4:14.
Identify the statistical test that should be used to analyze the data for the following study: Does a GRE prep course improve GRE scores? GRE practice test scores were compared before and after 40 students had taken a very expensive GRE prep course.

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS