Essay
Consider the following to answer the question(s) below:
To determine whether the tip left at the end of a meal is related to the size of the total bill at their restaurant, Chez Michelle, data were gathered for 10 customers. The data and summary statistics are shown below.
-The following scatterplot shows Internet Usage and PC household adoption rate (per 100 inhabitants) for a sample of 15 countries. 
a. Describe the association between Internet usage and PC household adoption rate.
b. Do these data satisfy the conditions for computing a correlation coefficient? Explain.
c. Estimate the correlation. Which value of r looks most probable: 0.1, 0.3, or 0.9?
Correct Answer:
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a. Direction: positive; form: straight; ...View Answer
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