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(a) Find the mean and standard deviation for the number of high school graduates in groups of 1290 Americans over the age of 25. Mean = Standard deviation = (b) Is that county result of 1008 unusually high, or low, or neither?

(a) Find the mean and standard deviation for the number of high school graduates in groups of 1290 Americans over the age of 25. Mean = Standard deviation = (b) Is that county result of 1008 unusually high, or low, or neither?

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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The Census Bureau reports that 82% of Americans over the age of 25 are high school graduates. A survey of randomly se- lected residents of certain county included 1290 who were over the age of 25, and 1008 of them were high school graduates. (a) Find the mean and standard deviation for the number of high school graduates in groups of 1290 Americans over the age of 25. Mean = Standard deviation (b) Is that county result of 1008 unusually high, or low, or neither? (Enter HIGH or LOW or NEITHER) h
Transcribed Image Text:The Census Bureau reports that 82% of Americans over the age of 25 are high school graduates. A survey of randomly se- lected residents of certain county included 1290 who were over the age of 25, and 1008 of them were high school graduates. (a) Find the mean and standard deviation for the number of high school graduates in groups of 1290 Americans over the age of 25. Mean = Standard deviation (b) Is that county result of 1008 unusually high, or low, or neither? (Enter HIGH or LOW or NEITHER) h
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