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

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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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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