7. In a statistics class, a teacher is interested in seeing if merely having students sign in everyday in class will increase attendance. Over many prior semesters of statistics teaching, it has been found that the average number of classes students attend is u = 24 of 30 during the semester with G = 12. One semester the teacher institutes a sign-in sheet on which students sign in each day. At the end of the semester, in a classroom of n = 49 students, the students have attended an average of M = 28 classes. Test the hypothesis that the use of the sign-in sheet improved attendance. Be sure to give all the steps outlined above. Use a = .05.
7. In a statistics class, a teacher is interested in seeing if merely having students sign in everyday in class will increase attendance. Over many prior semesters of statistics teaching, it has been found that the average number of classes students attend is u = 24 of 30 during the semester with G = 12. One semester the teacher institutes a sign-in sheet on which students sign in each day. At the end of the semester, in a classroom of n = 49 students, the students have attended an average of M = 28 classes. Test the hypothesis that the use of the sign-in sheet improved attendance. Be sure to give all the steps outlined above. Use a = .05.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 52E
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