l Q Link Wireless ?1:11 PM83%arn.edgenuity.com C1234.6.8.9.A guidance counselor selected random samples of 25ninth graders, 25 tenth graders, 25 eleventh graders,and 25 twelfth graders from her large high school. Sheasked each student whether they have a job. Theresults are displayed in the tables.Observed counts:Grade Level9th10th11th12thYes3121519Employed?No221310Expected counts:Grade Level9th10th11th12thYes12.2512.2512.2512.25Employed?No12.7512.7512.7512.75She decides to test these hypotheses:Ho: There is no difference in the distribution of iob.Previous ActivityNext Activity ll Q Link Wireless ,1:10 PM83%arn.edgenuity.com C aTIME REMAIN51:05For which categories were there more studentsobserved than expected?O There were more 9th graders than expected whodid not have a job, and there were more 10th, 11th,and 12th graders than expected who did have a job.O There were more 9th and 10th graders thanexpected who did not have a job, and there weremore 11th and 12th graders than expected who didhave a job.O There were more 9th, 10th, and 11th graders thanexpected who did not have a job, and there weremore 12th graders than expected who did have ajob.There were more 11th and 12th graders thanexpected who did not have a job, and there weremore 9th and 10th graders than expected who didhave a job.SuhmiPrevious ActivityNext Activity1

Contingency table are used to represent the frequency of the categorical variable with various…

For which categories were there more students observed than expected? There were more 9th graders than expected who did not have a job, and there were more 10th, 11th, and 12th graders than expected who did have a job. There were more 9th and 10th graders than expected who did not have a job, and there were more 11th and 12th graders than expected who did have a job. O There were more 9th, 10th, and 11th graders than expected who did not have a job, and there were more 12th graders than expected who did have a job. O There were more 11th and 12th graders than expected who did not have a job, and there were more 9th and 10th graders than expected who did have a job.