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    Correlation coefficient and coefficient of determination.

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    Using the countries in South America, let's analyze the relationship between GNP and infant mortality rate (IMR).

    (See attached)

    a. Construct a scatterplot from the following data, predicting IMR from GNP. What is the relationship between GNP and IMR for these 10 countries in South America?
    b. Does it appear (visually) that a straight line fits these data? Why or why not?
    c. Calculate the correlation coefficient and coefficient of determination. Do these values offer further support for you answer to (b)? How?

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    The solution examines correlation coefficients and coefficient of determination.