The accompanying data provides the results of a survey of 27 employees in a tax division of a Fortune 100 company.a. Test the null hypothesis that the average number of years of service is the same for males and females. Assume that the population variances are unequal.b. Test the null hypothesis that the average years of undergraduate study is the same for males and females. Assume that the population variances are unequal.E Click the icon to view the survey data.a. Is there sufficient evidence at the 0.01 level of significance that the average number of years of service is the same for males and females?Determine the null hypothesis, H,, and the alternative hypothesis, H,. Let females be population 1 and males be population 2.HoH,:(Type integers or decimals. Do not round.)Compute the test statistic.(Round to two decimal places as needed.)Find the p-value for the test.(Round to three decimal places as needed.)State the conclusion.V the chosen value of a, soThe p-value isis different for males and females.the null hypothesis. There isevidence to conclude that the average number of years of serviceb. Is there sufficient evidence at the 0.01 level of significance that the average years of undergraduate study is the same for males and females?Determine the null hypothesis, H,, and the alternative hypothesis, H,. Let females be population 1 and males be population 2.H,:(Type integers or decimals. Do not round,)Compute the test statistic.(Round to two decimal places as needed.)Find the p-value for the test.O (Round to three decimal places as needed.)State the conclusion.The p-value isV the chosen value of a, soV the null hypothesis. There isV evidence to conclude that the average years of undergraduatestudy is different for males and females.Survey dataYears UndergraduateStudyYears UndergraduateStudyGenderYears of ServiceGenderYears of ServiceFemale164.Male94Female72Male16Female104Male254Female22Male94.Female6Male24Female84Male254Female72Male172Female64MaleFemale101Male184Female102Male19Female134Male324Female12Male27Female94Male261FemalePrintDone

a) For average numbers of year of service

Answered: e sufficient evidence at the 0.01 level…

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

19
4
K Find the P-value for the indicated hypothesis test with the given standardized test statistic, z. Decide whether to reject Ho for the given level of significance a Two-tailed test with test statistic 2-2.26 and a=0.04 P-value = (Round to four decimal places as needed.) State your conclusion. Fail to reject Ho Reject Ho
In a one-tail hypothesis test where you reject Ho only in the upper tail, what is the p-value if ZSTAT = +2.40? Click here to view page 1 of the Normal table. Click here to view page 2 of the Normal table. The p-value is (Round to four decimal places as needed.)
07 A statistics professor wants to determine whether the average grade on Assignment 1 differs significantly from 23 (A average). a) State the null and alternative hypotheses. b) Based on the t-test in the following table 1, make a decision regarding the null hypotheses. c) Explain the results observed in (b). assign1 assign1 t -4.944 N dif 15 14 Mean 21.0333 Std. Deviation 1.54072 Test Value = 23 Mean Sig. (2-tailed) Difference .000 -1.96667 Table 1: T-test Std. Error Mean 39781 95% Confidence Interval of the Difference Lower Upper -2.8199 -1.1134
25
A research group wants to estimate the proprtion, p, of americans who can speak a language other than English. By referencing past data, the group belive that more than 45% of Americans can do so. a. state the null and alternative hypotheses for testing the group's belief/ b. If the value of the test statistic is approximately 1.46, what is the conslusion (reject H0 of fail to reject H0) of the hypotesis test? with a-0.05 c. If the true balue of is 48%, did the researchers make an error? if so what type?
In testing hypotheses, which of the following provides strong evidence against the null hypothesis? Using a small level of significance a Using a large level of significance Obtaining data with a small P-value O d Obtaining data with a large P-value
Find the P-value for the indicated hypothesis test with the given standardized test statistic, z. Decide whether to reject H, for the given level of significance a. Two-tailed test with test statistic z= - 1.76 and a = 0.06 P-value = | (Round to four decimal places as needed.) State your conclusion. O Fail to reject Ho O Reject Ho
What is the p-value if, in a two-tail hypothesis test, ZSTAT=+1.56? p-value= _______ (Round to four decimal places as needed.)
You are conducting a multinomial Goodness of Fit hypothesis test for the claim that all 5 categories are equally likely to be selected. Complete the table. Report all answers correct to three decimal places. H0:pA=pB=pC=pD=pEH0:pA=pB=pC=pD=pEHa:Ha:At least one probability is not equal to the others (claim) Expected frequency 15.6 1.) What is the chi-square test-statistic for this data?χ2=
Find the P-value for the indicated hypothesis test with the given standardized test statistic, z. Decide whether to reject Ho for the given level of significance a. Right-tailed test with test statistic z = 1.47 and a = 0.06 P-value = (Round to four decimal places as needed.) State your conclusion. Reject Ho O Fail to reject Ho

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

e sufficient evidence at the 0.01 level of significance tha e the null hypothesis, Hg, and the alternative hypothesi egers or decimals. Do not round.)