A researcher has a feeling that in recent years women have been getting taller. She knows that 10 years ago the average height of young adult women living in her city was 63 inches. She randomly samples eight young adult women currently residing in her city and measures their heights. The data showed that women on average are 68 inches tall with the standard deviation of 3.2. Are women are getting taller compared to the population of women 10 years ago? Test using a one-tailed test set to a = .05.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A researcher has a feeling that in recent years women have been getting taller. She knows that 10 years ago the average height of young adult women living in her city was 63 inches. She randomly samples eight young adult women currently residing in her city and measures their heights. The data showed that women on average are 68 inches tall with the standard deviation of 3.2. Are women are getting taller compared to the population of women 10 years ago? Test using a one-tailed test set to a = .05.

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