Answered: Question: According to the Center for…

Name: Question: According to the Center for Disease Control website, in 2011
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Description: Question: According to the Center for Disease Control website, in 2011 at least 18% of high school students have smoked a cigarette. An Introduction to Statistics class in Davies County, KY conducted a hypothesis test at the local high school (a medi

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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Question: According to the Center for Disease Control website, in 2011 at least 18% of high school students have smoked a cigarette. An Introduction to Statistics class in Davies County, KY conducted a hypothesis test at the local high school (a medium sized–approximately 1,200 students–small city demographic) to determine if the local high school’s percentage was lower. One hundred fifty students were chosen at random and surveyed. Of the 150 students surveyed, 82 have smoked. Use a significance level of 0.05 and using appropriate statistical evidence, conduct a hypothesis test and state the conclusions.

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B. Descriptive Statistics: Collect data or find available data on the website, CENSUS, StatCrunch, Galileo,etc ; ( select a sample size and use no more than 100 outcomes, if the selected data has more than 100 measurements);
Specify the type of the variable ( discrete or continuous);
Run a normality test (Histogram, Scatter plot) and write a brief interpretation of the graph (shape, skewedness ,outliers, the shape of the graph, etc.);

d. Run the Descriptive Statistics (mean, standard deviation, range, etc-use Statcrunch

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