The following data on x = score on a measure of test anxiety and y = exam
Question:
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Higher values for x indicate higher levels of anxiety.
a. Construct a scatterplot, and comment on the features of the plot.
b. Does there appear to be a linear relationship between the two variables? How would you characterize the relationship?
c. Compute the value of the correlation coefficient. Is the value of r consistent with your answer to Part (b)?
d. Is it reasonable to conclude that test anxiety caused poor exam performance? Explain.
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a There is one point 0 77 that is far separated from the other points ...View the full answer
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Related Book For 
Statistics The Exploration & Analysis Of Data
ISBN: 9780840058010
7th Edition
Authors: Roxy Peck, Jay L. Devore
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