Consider the following data.Group 1Group 2Group 3Men385071Women64929Given below is the conditional data distribution in each of the groups given that the person was male.Group 1 Group 2Group 3 Total24%31%45%100%Create the conditional data distribution in each of the groups given that the person was female. (Round your answers to the nearest integer.)Group 1Group 2Group 3Total%%%%Is there a difference in the distribution of responses for men and women?O The proportions for all three groups are much higher for men than they are for women.O There are no noticeably large differences in the distribution of responses for men and women.O The proportion for group 1 is much lower for women than it is for men while the proportion for group 2 is much lower for men than it is for women.The proportions for all three groups are much higher for women than they are for men.O The proportion for group 2 is much higher for women than it is for men while the proportion for group 3 is much lower for men than it is for women.

Solution: We have given that Group 1 Group 2 Group 3 Total Men 38 50 71 159 Women 6 49 29…

Answered: Consider the following data. Group 1…

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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Suppose you are interested in buying a new Lincoln Navigator or Town Car. You are standing on the sales lot looking at a model with different options. The list price is on the vehicle. As a salesperson approaches, you wonder what the dealer invoice price is for this model with its options. The following data are based on a random selection of these cars of different models and options. Let y be the dealer invoice (in thousands of dollars) for the given vehicle. x 32.4 32.9 36.1 44.0 47.8 y 30.4 31.0 32.0 42.1 42.2 (b) Use a 10% level of significance to test the claim that ρ > 0. (Use 2 decimal places.) t ? critical t ? (c) Verify that Se ≈ 1.5629, a ≈ 2.5006, and b ≈ 0.8551. Se ? a ? b ? (e) Find a 95% confidence interval for y when x = 42 (thousand dollars). (Use 2 decimal place.) lower limit ? upper limit ? (f) Use a 10% level of significance to test the claim that β > 0. (Use 2 decimal places.) t ? critical t ?
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Don't Hand writing in solution.
A group of 11 students was selected at random and asked for their high school GPA and their freshmen GPA in college the subsequent year. The results were: Student High School GPA Freshmen GPA 1 2.0 1.6 2 2.2 2.0 3 2.6 1.8 4 2.7 2.8 5 2.8 2.1 6 3.1 2.0 7 2.9 2.6 8 3.2 2.2 9 3.3 2.6 10 3.6 3.0 We would like to know whether there is a linear relationship between the high school GPA and the college freshmen GPA, and we would like to be able to predict the freshmen GPA, if we know that the high school GPA of another student is, say, 3.4. Provide the two requested scatter plots for this data (put college freshman GPA on the Y (vertical) axis!). a) What would be your approximate 95% prediction interval for question (g)? b) Show your scatterplot with the predicted trend line below
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Suppose a random sample of 1012 athletes from the college are asked what their major is. The table below shows the results of the survey. Outcome Observed Frequency Math/Science 186 Arts & Humanities 233 Business & Economics 311 Other 282 The distribution of majors at the college is shown in the second column of the table below. Fill in the expected frequencies. (Round to the nearest whole number). Frequencies of Majors at the College Outcome Expected Percent Expected Frequency Math/Science 23 Arts & Humanities 18 Business & Economics 31 Other 28
C. Test value D. Make a decision
Exhibit 12-15 The table below gives social media preferences for random samples of men and women. Facebook Instagram LinkedIn Total 630 310 290 1230 750 430 240 1420 1380 740 530 2650 We are asked to test for independence between gender (i.e., men and women) and social media preferences. Men Women Total Refer to Exhibit 12-15. If gender and social media preference is independent then the expected number of women who prefer LinkedIn would be O O 640 246 740 284

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