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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.

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.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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l Q Link Wireless ? 1:11 PM 83% arn.edgenuity.com C 1 2 3 4. 6. 8. 9. A guidance counselor selected random samples of 25 ninth graders, 25 tenth graders, 25 eleventh graders, and 25 twelfth graders from her large high school. She asked each student whether they have a job. The results are displayed in the tables. Observed counts: Grade Level 9th 10th 11th 12th Yes 3 12 15 19 Employed? No 22 13 10 Expected counts: Grade Level 9th 10th 11th 12th Yes 12.25 12.25 12.25 12.25 Employed? No 12.75 12.75 12.75 12.75 She decides to test these hypotheses: Ho: There is no difference in the distribution of iob. Previous Activity Next Activity
Transcribed Image Text:l Q Link Wireless ? 1:11 PM 83% arn.edgenuity.com C 1 2 3 4. 6. 8. 9. A guidance counselor selected random samples of 25 ninth graders, 25 tenth graders, 25 eleventh graders, and 25 twelfth graders from her large high school. She asked each student whether they have a job. The results are displayed in the tables. Observed counts: Grade Level 9th 10th 11th 12th Yes 3 12 15 19 Employed? No 22 13 10 Expected counts: Grade Level 9th 10th 11th 12th Yes 12.25 12.25 12.25 12.25 Employed? No 12.75 12.75 12.75 12.75 She decides to test these hypotheses: Ho: There is no difference in the distribution of iob. Previous Activity Next Activity
ll Q Link Wireless , 1:10 PM 83% arn.edgenuity.com C a TIME REMAIN 51:05 For which categories were there more students observed than expected? O 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. O 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. 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. Suhmi Previous Activity Next Activity 1
Transcribed Image Text:ll Q Link Wireless , 1:10 PM 83% arn.edgenuity.com C a TIME REMAIN 51:05 For which categories were there more students observed than expected? O 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. O 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. 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. Suhmi Previous Activity Next Activity 1
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