SOLUTION: The mean SAT score in mathematics is 535 . The founders of a nationwide SAT preparation course claim that graduates of the course score higher, on average, than the national mean.

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Question 457584: The mean SAT score in mathematics is 535 . The founders of a nationwide SAT preparation course claim that graduates of the course score higher, on average, than the national mean. Suppose that the founders of the course want to carry out a hypothesis test to see if their claim has merit. State the null hypothesis Ho and the alternative hypothesis H1 that they would use.
a) Ho =
b) H1 =
Answer by stanbon(75887) About Me  (Show Source):
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The mean SAT score in mathematics is 535 . The founders of a nationwide SAT preparation course claim that graduates of the course score higher, on average, than the national mean. Suppose that the founders of the course want to carry out a hypothesis test to see if their claim has merit. State the null hypothesis Ho and the alternative hypothesis H1 that they would use.
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Note: Equality must ALWAYS be part of the Ho statement
a) Ho = u <= 535
b) H1 = u > 535 (claim)
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Cheers,
Stan H.