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Statistics / Stats: Data and Models 4 / Chapter 9 / Problem 14E

Stats: Data and Models | 4th Edition | ISBN: 9780321986498 | Authors: Richard D. De Veaux, Paul F. Velleman, David E. Bock

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Crowdedness again In Exercise 12 we looked at United

Chapter 9, Problem 14E

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QUESTION:

Crowdedness again In Exercise 12 we looked at United Nations data about a country’s GDP and the average number of people per room (Crowdedness) in housing there. For a re-expression, a student tried the reciprocal -10000/GDP, representing the number of people per $10,000 of gross domestic product. Here are the results, plotted against Crowdedness:

a) Is this a useful re-expression? Explain.

b) What re-expression would you suggest this student try next?

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QUESTION:

Crowdedness again In Exercise 12 we looked at United Nations data about a country’s GDP and the average number of people per room (Crowdedness) in housing there. For a re-expression, a student tried the reciprocal -10000/GDP, representing the number of people per $10,000 of gross domestic product. Here are the results, plotted against Crowdedness:

a) Is this a useful re-expression? Explain.

b) What re-expression would you suggest this student try next?

ANSWER:

Step 1 of 3

The re-expressed plot is

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