Maurice Tutor

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About Maurice Tutor

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Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 408 Weeks Ago, 2 Days Ago
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 20 Nov 2017 My Price 4.00

Practical significance

Practical significance A study considers if the mean score on a college entrance exam for students in 2010 is any different from the mean score of 500 for students who took the same exam in 1985. Let μ represent the mean score for all students who took the exam in 2010. For a random sample of 25,000 students who took the exam in 2010, x = 498 and s = 100.

a. Show that the test statistic is t = -3.16.

b. Find the P-value for testing H0: μ = 500 against Ha: μ 500.

c. Explain why the test result is statistically significant but not practically significant.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 20 Nov 2017 12:11 PM My Price 4.00

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