Stating hypotheses State the appropriate null and

The Practice of Statistics | 4th Edition | ISBN: 9781429245593 | Authors: Daren S. Starnes

Problem R9.1 Chapter 9

The Practice of Statistics | 4th Edition

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The Practice of Statistics | 4th Edition | ISBN: 9781429245593 | Authors: Daren S. Starnes

The Practice of Statistics | 4th Edition

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Problem R9.1

Stating hypotheses State the appropriate null and alternative hypotheses in each of the following cases. (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. s Check conditions for carrying out a test about a population proportion or mean. s Interpret P-values in context.

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Textbook: The Practice of Statistics
Edition: 4
Author: Daren S. Starnes
ISBN: 9781429245593

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