State the null and alternative hypotheses for each of the following situations. (That is, identify the...

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Statistics

State the null and alternative hypotheses for each of thefollowing situations. (That is, identify the correct numberÎ¼₀ and write H₀:Î¼=Î¼0 and the appropriateanalogous expression for Ha.)
A.Â Â Â Â Â Â The average Julytemperature in a region historically has been 74.5Â°F. Perhaps it ishigher now.
B.Â Â Â Â Â Â The average weight of afemale airline passenger with luggage was 145 pounds ten years ago.The FAA believes it to be higher now.
C.Â Â Â Â Â Â The average stipend fordoctoral students in a particular discipline at a state universityis $14,756. The department chairman believes that the nationalaverage is higher.
D.Â Â Â Â Â Â The average room rate inhotels in a certain region is $82.53. A travel agent believes thatthe average in a particular resort area is different.
E.Â Â Â Â Â Â Â The average farmsize in a predominately rural state was 69.4 acres. The secretaryof agriculture of that state asserts that it is less today.
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AThe average July temperature in a region historically has been 745F Perhaps it is higher now Null hypothesis H0 The average July temperature in a region historically is 745F Alternative hypothesis Ha The average July temperature in a region historically is greater than 745F H0 745F versus Ha 745F BThe average weight of a female airline passenger with See Answer

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