Answered: Graduation In October 2000 the U.S.…

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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Graduation In October 2000 the U.S. Department of
Commerce reported the results of a large-scale survey on
high school graduation. Researchers contacted more than
25,000 randomly chosen Americans aged 24 years to see
if they had finished high school; 84.9% of the 12,460
males and 88.1% of the 12,678 females indicated that
they had high school diplomas.
a) Are the assumptions and conditions necessary for
inference satisfied? Explain.
b) Create a 95% confidence interval for the difference in
graduation rates between males and females.
c) Interpret your confidence interval.
d) Does this provide strong evidence that girls are more
likely than boys to complete high school? Explain.

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