Homework Sourse1 True or False A statistical hypothesis states an inference
1) True or False? A statistical hypothesis states an inference about a sample statistic.
2) Use the given statement to represent a claim. Write its complement and state which is Ha and which is H0. ? < 128
3) Determine whether the hypothesis test with the given null and alternative hypotheses listed below is left-tailed, right-tailed, or two-tailed.
H0 :??5.2
Ha :?<5.2
Problems 4-6. Use the following information to answer the questions.
Shipping Errors. As stated by a company
Solution
1) True or False? A statistical hypothesis states an inference about a sample statistic
False
----------------------------------------------------------------------------------------------------------------------------------------------
2) Use the given statement to represent a claim. Write its complement and state which is Ha and which is H0. ? < 128
H0: mu = 128
Ha: mu<128 (i.e. claim)
----------------------------------------------------------------------------------------------------------------------------------------------
3) Determine whether the hypothesis test with the given null and alternative hypotheses listed below is left-tailed, right-tailed, or two-tailed.
H0 :??5.2
Ha :?<5.2
Answer: left-tailed
Problems 4-6. Use the following information to answer the questions.
Shipping Errors. As stated by a company
