A public opinion poll surveyed a simple random sample of voters. Respondents were classified by gender (female or male) and by voting preference (Republican, Democrat, r Independent). The results are presented here:Republican250200FemaleMaleYou want to determine if gender and voting preference are independent. Use a level of significance of a = 0.05.What are the degrees of freedom for this test?Democrat300150Independent5050

We have to determine degree of freedom =df

Answered: Female Male Republican 250 200 e if…

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

Test the claim that the proportion of people who own cats is smaller than 70% at the 0.01 significance level. Based on a sample of 500 people, 64% owned catsThe p-value is: (to 2 decimals)
X 10.2.6 Question Help Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x = 99.82, y = 98.9, r= 0.889, P-value= 0.000, and y = - 12.44 + 1.12x, where x represents the IQ score of the husband. Find the best predicted value of y given that the husband has an IQ of 97? Use a significance level of 0.05. or Click the icon to view the critical values of the Pearson correlation coefficient r. The best predicted value of y is (Round to two decimal places as needed.) brary Enter your answer in the answer box and then click Check Answer Check Aswor Clear All tions All parts showing is DELL
1
Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 546 randomly selected adults showed that 55% of them would erase all of their personal information online if they could. Find the value of the test statistic.
Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 676 randomly selected adults showed that 65% of them would erase all of their personal information online if they could. Find the value of the test statistic.
Test the claim that the proportion of people who own cats is significantly different than 80% at the 0.01 significance level. Based on a sample of 300 people, 77% owned catsThe test statistic is: (to 2 decimals)The p-value is: (to 2 decimals
no handwriting please The table below shows the color and the model of cars purchased by 160 randomly selected customers at a car dealership in 2020. Model Color Toyota Hyundai Red 17 19 White 25 35 Black 35 29 Use a 5 percent level of significance to test the null hypothesis that the color is chosen and car model are independent. i. Given that the chi-square test statistic, ?2, is 2.1183, find the p-value for test ii. State the conclusion for the test. iii. State 2 limitations of the chi-square test, ?2.
Test the claim that the proportion of people who own cats is smaller than 70% at the 0.10 significance level. Based on a sample of 600 people, 61% owned catsThe p-value is: (to 2 decimals)
Hi please only complete C & D. Everything else is done thank you
In a Gallup poll of 1003 randomly selected subjects, 370 said they have a gunin their home. The accompanying Minitab display shows the results from a test at the 0.05significance level of the claim that 40% of homes have guns in them. State the conclusion of the test in the appropriate language. Please use context.
You are interested in evaluating how well students perform on an attention test. There are two conditions (low noise & high noise) and to reduce your sample size, you have each subject participate in both conditions. Which stats test should you use to analyze the data? a. Paired-samples t test. b. Two-factor between-subjects ANOVA c. Chi-square Goodness of Fit d. Bivariate correlation
Test the claim that the proportion of people who own cats is significantly different than 80% at the 0.01 significance level. Based on a sample of 300 people, 77% owned catsThe test statistic is: (to 2 decimals)The p-value is: (to 2 decimals)

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

Female Male Republican 250 200 e if gender and voting preference are independent. Use a level of significance of a = 0.05. of freedom for this test? Democrat 300 150 Independent 50 50