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Stating hypotheses State the appropriate null and alternative hypotheses in each of the
Chapter 9, Problem R9.1(choose chapter or problem)
Stating hypotheses State the appropriate null and alternative hypotheses in each of the following settings. Be sure to define the parameter. (a) The average height of 18-year-old American women is 64.2 inches. You wonder whether the mean height of this years female graduates from a large local high school (over 3000 students) differs from the national average. You measure an SRS of 48 female graduates and find that x = 63.1 inches. (b) Mr. Starnes believes that less than 75% of the students at his school completed their math homework last night. The math teachers inspect the homework assignments from a random sample of students at the school to help Mr. Starnes test his claim.
Questions & Answers
QUESTION:
Stating hypotheses State the appropriate null and alternative hypotheses in each of the following settings. Be sure to define the parameter. (a) The average height of 18-year-old American women is 64.2 inches. You wonder whether the mean height of this years female graduates from a large local high school (over 3000 students) differs from the national average. You measure an SRS of 48 female graduates and find that x = 63.1 inches. (b) Mr. Starnes believes that less than 75% of the students at his school completed their math homework last night. The math teachers inspect the homework assignments from a random sample of students at the school to help Mr. Starnes test his claim.
ANSWER:Step 1 of 4
We have to state the appropriate null & alternative hypotheses and the parameters in each of the following settings.