More Information From the Online Dating SurveyA survey conducted in July 2015 asked a random sample of American adults whether they had ever used online dating (either anonline dating site or a dating app on their cell phone).College-Educated or Not?The survey also asked participants for their level of education, and we wish to estimate the difference in the proportion to useonline dating between those with a college degree and those with a high school degree or less. The results are shown in the two-waytable below.HighCollegeTotalSchoolYes15770227No6665651231Total8236351458Table 1: Have you ever used an online dating site or a dating app? (a) What proportion of college graduates answered yes when asked if they had ever used online dating? What proportion ofthose with a high school degree or less said yes? What is the sample difference in proportions?Let Pc and p be the proportion of college graduates using online dating and the proportion of high school graduates usingonline dating, respectively.Round your answers to three decimal places.PHiPc - P n =(b) Use the fact that the standard error for the estimate is 0.019 to find a 90% confidence interval for the population differencein proportions.Round your answers to three decimal places.The 90% confidence interval isto

The assumed CI for the difference in proportions is, (p^1-p^2)±(Z * SE)where Standard Error…

(a) What proportion of college graduates answered yes when asked if they had ever used online dating? What proportion of those with a high school degree or less said yes? What is the sample difference in proportions? Let Pc and p be the proportion of college graduates using online dating and the proportion of high school graduates using online dating, respectively. Round your answers to three decimal places. Pc = %3D i Pc - î u = i %3D (b) Use the fact that the standard error for the estimate is 0.019 to find a 90% confidence interval for the population difference in proportions. Round your answers to three decimal places. The 90% confidence interval is to

(a) What proportion of college graduates answered yes when asked if they had ever used online dating? What proportion of those with a high school degree or less said yes? What is the sample difference in proportions? Let Pc and p be the proportion of college graduates using online dating and the proportion of high school graduates using online dating, respectively. Round your answers to three decimal places. Pc = %3D i Pc - î u = i %3D (b) Use the fact that the standard error for the estimate is 0.019 to find a 90% confidence interval for the population difference in proportions. Round your answers to three decimal places. The 90% confidence interval is to

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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