Use data set 9.1 (set of 90 observations, attitudes on school vouchers: 1=for, 2=maybe, 3=against ). Conduct a chi-square goodness of fit test.

1. What would be the null and research hypotheses for this analysis?

2. Identify the chi square value and the p-value.

3. Interpret the findings of the goodness of fit test. Explain (address the null hypothesis).

Do-file Editor - Untitled* File Edit View Language Project Tools Untitled* X use "C:\\Users\\YH789961\\Desktop\\9. 1dta.dta" . findit csgof . csgof voucher, expperc (33.33 33.33 33.33) + voucher expperc expfreq obsfreq 33.33 29.997 23 1 WN P 33.33 29.997 17 12 33.33 29.997 50 13 +- - + 14 15 chisq(2) is 20.6, p =+ Dialog . Also see Jur search for csgof (manual: [R] search) Search of official help files, FAQs, Examples, and Stata Journals FAQ What statistical analysis should I use? . . UCLA Academic Technology Services 5/08 https://stats. idre.ucla. edu/stata/whatstat/what-statistical- analysis-should-i-usestatistical-analyses-using-stata/ Search of web resources from State and other users (contacting http://www.stata.com) 1 package found (Stata Journal and STB listed first) csgof from https://stats. idre. ucla. edu/stat/stata/ado/analysis csgof. Chi-Square Goodness of Fit / Statistical Consulting Group / Institute for Digital Research and Education, UCLA / idrestatjucla.edu / STATA ado and hlp files in the package / distribution-date: 20150326 (click here to return to the previous screen) (end of search)+ Dialog * Also see * Jum package csgof from https://stats. idre.ucla.edu/stat/stata/ado/analysis TITLE csgof. Chi-Square Goodness of Fit DESCRIPTION/AUTHOR (S) Statistical Consulting Group Institute for Digital Research and Education, UCLA idrestat@ucla.edu STATA ado and hlp files in the package distribution-date: 20150326 INSTALLATION FILES (click here to install) csgof. ado csgof . hlp (click here to return to the previous screen)+ Dialog Also see Jum package installation package name: csgof.pkg from: https://stats. idre.ucla. edu/stat/stata/ado/analysis/ checking csgof consistency and verifying not already installed... all files already exist and are up to date. (click here to return to the previous screen)