Question

The data from Exercise for age and body fat of 18 randomly selected adults are on the WeissStats CD.
a. Do the data provide sufficient evidence to conclude that, for adults, age and percentage of body fat are positively linearly correlated?
b. Remove the potential outlier and repeat part (a).
c. Compare your results with and without the removal of the potential outlier and state your conclusions.
Use the technology of your choice to decide whether you can reasonably apply the correlation t-test. If so, perform and interpret the required correlation t-test(s) at the 5% significance level.


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  • CreatedAugust 13, 2015
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