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MATLAB: An Introduction with Applications
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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Determine whether the results appear to have statistical significance, and also determine whether the results appear to have practical significance. In a study of a birth sex selection method used to increase the likelihood of a baby being born female, 1942 users of the method gave birth to 948 males and 994 females. There is about a 15% chance of getting that many babies born female if the method had no effect. Because there is a 15% chance of getting that many babies born female if the method had no effect, the method does not have statistical significance. Not many couples would likely use a procedure that raises the likelihood of a baby born female from the approximately 50% rate expected by chance to the 51.2 % produced by this method. (Round to the nearest integer as needed.) So, this method does not have practical significance.
Transcribed Image Text:Determine whether the results appear to have statistical significance, and also determine whether the results appear to have practical significance. In a study of a birth sex selection method used to increase the likelihood of a baby being born female, 1942 users of the method gave birth to 948 males and 994 females. There is about a 15% chance of getting that many babies born female if the method had no effect. Because there is a 15% chance of getting that many babies born female if the method had no effect, the method does not have statistical significance. Not many couples would likely use a procedure that raises the likelihood of a baby born female from the approximately 50% rate expected by chance to the 51.2 % produced by this method. (Round to the nearest integer as needed.) So, this method does not have practical significance.
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