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The psychology department is gradually changing its curriculum by increasing the number of online courses offerings. To evaluate the effectiveness of this change, a random sample of n = 36 students who registered for Introductory Psychology is placed in the online version of the course. At the end of the semester, all students will take the same final exam. The average score for the sample is M=76. For the general population of the students taking the additional lecture class, the final exam scores form a normal distribution with a mean of µ = 71. a) If the final exam score for the population have a standard deviation of o = 1, does the sample provide enough evidence to conclude that the new online course is significantly different from the traditional class? Use a two-tailed test with a = .05.

The psychology department is gradually changing its curriculum by increasing the number of online courses offerings. To evaluate the effectiveness of this change, a random sample of n = 36 students who registered for Introductory Psychology is placed in the online version of the course. At the end of the semester, all students will take the same final exam. The average score for the sample is M=76. For the general population of the students taking the additional lecture class, the final exam scores form a normal distribution with a mean of µ = 71. a) If the final exam score for the population have a standard deviation of o = 1, does the sample provide enough evidence to conclude that the new online course is significantly different from the traditional class? Use a two-tailed test with a = .05.

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
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The psychology department is gradually changing its curriculum by increasing the number of online courses offerings. To evaluate the effectiveness of this change, a random sample of n = 36 students who registered for Introductory Psychology is placed in the online version of the course. At the end of the semester, all students will take the same final exam. The average score for the sample is M=76. For the general population of the students taking the additional lecture class, the final exam scores form a normal distribution with a mean of µ = 71. a) If the final exam score for the population have a standard deviation of o = 1, does the sample provide enough evidence to conclude that the new online course is significantly different from the traditional class? Use a two-tailed test with a = .05.
Transcribed Image Text:The psychology department is gradually changing its curriculum by increasing the number of online courses offerings. To evaluate the effectiveness of this change, a random sample of n = 36 students who registered for Introductory Psychology is placed in the online version of the course. At the end of the semester, all students will take the same final exam. The average score for the sample is M=76. For the general population of the students taking the additional lecture class, the final exam scores form a normal distribution with a mean of µ = 71. a) If the final exam score for the population have a standard deviation of o = 1, does the sample provide enough evidence to conclude that the new online course is significantly different from the traditional class? Use a two-tailed test with a = .05.
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