If a hypothesis test is significant at level a = 0.05, then the following is kno

Question

If a hypothesis test is significant at level a = 0.05, then the following is known for the P - value P - value > 0.05 P-value > 0.01 P - value lessthanorequalto n0.05 P - value lessthanorequalto 0.01 The following is an acceptable statement of a null and alternative hypothesis about a population mean: H0: x = 10 vs Ha: > 10. H0: mu = vs Ha: mu > 10. All of the answers are correct. A statistician wishing to test a hypothesis that students score at least a 75 on the final exam in an introductory statistics course decides to randomly select 20 students in the class and have them take the exam early. The average score of the students on the exam was 78. The hypothesis the statistician wants to test is H0: mu = 75 vs Ha: mu = 78. H0 mu = 75 vs Ha: mu > 78. H0 mu = 75 vs Ha: mu > 75. H0 mu = 75 vs Ha: mu

Explanation / Answer

Question 4:

Ans: c) P-value 0.05

Question 6:

Ans: c) H0: = 10 vs Ha: > 10

A hypothesis can be for popualtion param and not sample param.

So, c is a correct answer

Question 12:

Ans: c) H0: = 75 vs Ha: > 75

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