The following data show the alcohol expenditure, income, number of adults in each of 17households and whether or not the family contains at least one person who smokes.Family Alcohol expenditure Income Adult(X)26.17Smoker(Y)487122.19.495742317.8743911416.9036754.2129916.32.08743217.30.194332822,625479.8630311013.32370119.24299147.3526.8012531113506211433.446131521.4147231616.0625311724.98374a. Draw an XY plot of the data and comment.b. From the chart, would you expect the line of best fit to slope up or down? In theory,which way should it slope?c. Calculate the correlation coefficient between alcohol spending and income.d. Is the coefficient significantly different from zero? What is the implication of theresult?

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Answered: The following data show the alcohol…

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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