In a September 2013 poll conducted by the Pew Research Center, they asked a random sample of
Question:
a. What proportion in each race category owns a cellphone?
b. Does there seem to be an association between race and whether or not someone owns a cellphone?
c. Write out the null and alternative hypotheses for this study.
d. The table for these results can be found in the file Cellphone Race. Put that table in the Multiple Proportions applet (make sure you click on Use Table). What is the value of the MAD statistic?
e. Do at least 1,000 repetitions and find a p-value.
f. Based on your p-value, do you have strong evidence that there is an association between race and whether or not someone owns a cellphone?
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Related Book For
Introduction To Statistical Investigations
ISBN: 9781118172148
1st Edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy
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