Maurice Tutor

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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: 398 Weeks Ago, 3 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 12 Nov 2017 My Price 5.00

Fuel economy

46.    Fuel economy. A company with a large fleet of cars hopes to keep gasoline costs down and sets a goal of attaining a fleet average of at least 26 miles per gallon. To see if the goal is being met, they check the gasoline usage for 50 company trips chosen at random, finding a mean of 25.02 mpg and a standard deviation of 4.83 mpg. Is this strong evidence that they have failed to attain their fuel economy goal?

a)    Write appropriate hypotheses.

b)    Are the necessary assumptions to perform inference satisfied?

c)    Test the hypothesis and find the P-value.

d)    Explain what the P-value means in this context.

e)    State an appropriate conclusion.

Answers

Maurice Tutor
(5)
Status NEW Posted 12 Nov 2017 06:11 PM My Price 5.00

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