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Using the following data with x as the independent variable and y as the dependent variable, answer

Question:

Using the following data with x as the independent variable and y as the dependent variable, answer the items.

-8 -16 12 18 y 58 247 153 341 23

a. Create a scatter diagram and describe the relationship between x and y.

b. Compute the correlation coefficient.

c. Transform the x variable by squaring each value, x2.

d. Create a scatter diagram and describe the relationship between x2 and y.

e. Compute the correlation coefficient between x2 and y.

f. Compare the relationships between x and y, and x2 and y.

g. Interpret your results.

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-8 -16 12 18 y 58 247 153 341 23

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a The correlation of X and Y is 02975 The scatter plot reveals the variables do not appear to be li...View the full answer


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Statistical Techniques In Business And Economics

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Authors: Douglas Lind, William Marchal, Samuel Wathen

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