Points Awarded - PointsAwarded PointsMissed Percentage 24...

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Points Awarded  24 Points Missed  17 Percentage  59%
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  Table 1.3 (page 22) gives the annual health care spending per person in 38 richer  nations. The United States, at $5711 per person, is a high outlier. 1. Find the mean health care spending in these nations with the United States  included.  Give your answer in dollars to 2 decimal places.  Fill in the blank: $2007.18.  With all countries included, the mean is  x  = $2007.18 per person. Points Earned: 1/1 Correct Answer: 2007.18 Your Response: $2007.18 2. Find the mean health care spending in these nations without the United States.  Give your answer in dollars to 2 decimal places.  Fill in the blank:
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$1907.08.  Without the United States the mean is  x  = $1907.08 per person. Points Earned: 0/1 Correct Answer: 1907.08 Your Response: $1907.09 3. How much does the one outlier increase the mean?  Give your answer in dollars to 2 decimal places.  Fill in the blank: $100.10.  With the outlier, the mean increases by $100.10. Points Earned: 0/1 Correct Answer: 100.10 Your Response: $100.09   The 2007 roster of the Dallas Cowboys professional  football team included 9 defensive linemen and 10  offensive linemen.  The weights in pounds of the defensive linemen were 300 300 295 255 298 298 and the weights of the offensive linemen were 312 305 340 320 366 324 309 315 305 305 4. Make a stemplot of the weights of the defensive linemen.  Choose the correct stemplot:
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A. Stemplot I 2 55 2 95 2 98 2 98 3 00 3 00 3 00 3 00 3 10 B. Stemplot III 25 29 30 31 C. Stemplot II 25 26 27 28 29 30 31 D. Stemplot IV 25 26 27
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28 29 30 31 The correct stemplot for the weights of the defensive linemen is stemplot II. Points Earned: 1/1 Correct Answer: C Your Response: C 5. Find the five-number summary of the distribution of weights of the defensive linemen.  Match your results below.  Make sure that you calculate the quartiles manually exactly as defined in the text.  Recall that software may use alternative definitions for the quartiles. 1. 295.5 2. 318 3. 297.2 4. 304 5. 300 6. 303 7. 255 8. 301.2
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9. 305 10. 305.5 11. 298 12. 299 13. 299.5 14. 296.5 15. 304.5 16. 309 17. 296.4 18. 275 19. 298.5 20. 310 The five-number summary is:   Min Q 1 M Q 3 Max Defensive line 255 296.5 300 300 310
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3/5 Correct Answer: A:20, B:5, C:7, D:5, E:14 Your Response: A:20, B:5, C:7, D:11, E:18 6. Make a stemplot of the weights of the offensive linemen.  Choose the correct stemplot: A. Stemplot I
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This note was uploaded on 02/21/2011 for the course STAT 250 dl1 taught by Professor Dr.izmirli during the Spring '11 term at George Mason.

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Points Awarded - PointsAwarded PointsMissed Percentage 24...

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