Each month, the Department of Commerce releases its estimate of construction activity. A key measure is the
Question:
(a) Before looking at these data, do you expect these variables to be associated? If so, what do you anticipate the correlation to be?
(b) Draw the scatterplot of the percentage change in the S&P 500 index on the percentage change in the number of new housing units started. Describe the association.
(c) Find the correlation between the two variables in the scatterplot. What does the size of the correlation suggest about the strength of the association between these variables?
(d) Suppose you know that there was a 5% increase in the number of new homes. From what you’ve seen, can you anticipate movements in the stock market?
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Related Book For
Statistics For Business Decision Making And Analysis
ISBN: 9780321890269
2nd Edition
Authors: Robert Stine, Dean Foster
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