A Professor Wanted To Determine Whether An Online Homework System Improved Scores On A Final Exam In The Fall Semester 1 (39.33 KiB) Viewed 22 times
A Professor Wanted To Determine Whether An Online Homework System Improved Scores On A Final Exam In The Fall Semester 2 (33.37 KiB) Viewed 22 times
A professor wanted to determine whether an online homework system improved scores on a final exam. In the fall semester, he taught a class using the online homework system (which meant students did their homework online and received Instant foedback about their answers along with helpful guidance). In the spring semester, he taught a class without the homework system (which meant students were responsible for doing their homework the old-fashioned way - paper and pencil). The professor made sure to teach the two courses identically (same text, syllabus, tests, meeting time, meeting location, and so on). The table summarizes the results of the two classes on their final exam. Complete parts (a) through (e) below Click the icon to view the table. τιΑμοι και οι τα A. The assumption is that the students "randomly enrolled in the course The assumption is that the students were selected for each counte. C. The assumption is that the students know about the experiment and choose to be in one of the two classes D. No assumptions were made for this experiment (e) Did the students perform better on the final exam in the fall semester? Use an a=0.01 level of significance. State the null and alternative hypotheses CA Ho Pallapring Hy Hall Papring C. Ho: Vall Hepring Hy Hall Hspring He: Maturing Ha Ha Hupring D. Hoping My Pering Determine the P-value for this hypothesis test P-value = (Round to three decimal places as needed.) Clear all Check answer
your class without the homework system (which meant students were responsible for doing their homework the old-fashioned way - paper and made sure to teach the two courses identically (same text, syllabus, tests, meeting time, meeting location, and so on). The table summarizes the ses on their final exam. Complete parts (a) through (e) below. wiew the ta - X Summary data ok en is that Fall semester Spring semester 29 25 73.8 66.5 10.7 13 Number of students Mean final exam score Standard deviation final exam score en is that en is that R as were m ptive hypotheses erform bel Print Done ing ing VINE ing Ho Hall spring H:Hall spring w ing
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