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the average final examination scores produced by the two methods are different if the population standard deviation is 5?

the average final examination scores produced by the two methods are different if the population standard deviation is 5?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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6. Two methods of teaching statistics are being tried by a professor. A class of 40 students is taught by method A and a class or 36 is taught by method B. the two classes are given the same final examination. The scores are Xı = 78, X2 = 74. using a 0.01 significance level, can we conclude that the average final examination scores produced by the two methods are different if the population standard deviation is 5? Но: H1: a = Zcri = Zcom = comparison Computation: DR: Conclusion:
Transcribed Image Text:6. Two methods of teaching statistics are being tried by a professor. A class of 40 students is taught by method A and a class or 36 is taught by method B. the two classes are given the same final examination. The scores are Xı = 78, X2 = 74. using a 0.01 significance level, can we conclude that the average final examination scores produced by the two methods are different if the population standard deviation is 5? Но: H1: a = Zcri = Zcom = comparison Computation: DR: Conclusion:
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