The table below gives data on average per capita wine consumption and heart disease rates in 19 countrie TABLE 3.6 Wine consumption and heart disease Heart disease death rate (liters/year) (per 100,000) Country Alcohol from wine Alcohol from wine (liters/year) (per 100,000) Heart disease death rate Country Australia 2.5 211 Netherlands 1.8 167 Austria 3.9 167 New Zealand 1.9 266 0.8 227 Belgium/Lux. Canada Denmark 2.9 131 Norway Spain Sweden 2.4 191 6.5 86 2.9 220 1.6 207 Finland 0.8 297 Switzerland 5.8 115 United Kingdom United States West Germany France 9.1 71 1.3 285 0.8 211 1.2 199 Iceland Ireland 0.7 300 2.7 172 Italy 7.9 107 Source: M. H. Criqui, University of California, San Diego, reported in the New York Times, December 28, 1994.

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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 25PPS
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The table below gives data on average per capita wine consumption and heart disease rates in 19 countrie
TABLE 3.6 Wine consumption and heart disease
Alcohol
Heart disease
Alcohol
Heart disease
from wine
from wine
death rate
death rate
(liters/year) (per 100,000)
Country
Country
(liters/year) (per 100,000)
Australia
2.5
1.8
167
Netherlands
New Zealand
211
Austria
3.9
167
1.9
266
0.8
227
Belgium/Lux.
Canada
2.9
131
Norway
Spain
Sweden
2.4
191
6.5
86
Denmark
2.9
220
1.6
207
5.8
115
Switzerland
United Kingdom
United States
West Germany
Finland
0.8
297
France
9.1
71
1.3
285
Iceland
0.8
211
1.2
199
Ireland
0.7
300
2.7
172
Italy
7.9
107
Source: M. H. Criqui, University of California, San Diego, reported in the New York Times, December 28.
1994.
Transcribed Image Text:The table below gives data on average per capita wine consumption and heart disease rates in 19 countrie TABLE 3.6 Wine consumption and heart disease Alcohol Heart disease Alcohol Heart disease from wine from wine death rate death rate (liters/year) (per 100,000) Country Country (liters/year) (per 100,000) Australia 2.5 1.8 167 Netherlands New Zealand 211 Austria 3.9 167 1.9 266 0.8 227 Belgium/Lux. Canada 2.9 131 Norway Spain Sweden 2.4 191 6.5 86 Denmark 2.9 220 1.6 207 5.8 115 Switzerland United Kingdom United States West Germany Finland 0.8 297 France 9.1 71 1.3 285 Iceland 0.8 211 1.2 199 Ireland 0.7 300 2.7 172 Italy 7.9 107 Source: M. H. Criqui, University of California, San Diego, reported in the New York Times, December 28. 1994.
(e) The correlation and the slope of the least-squares line in (b) are both negative. Is it possible for these two
quantites to have opposite signs?
O Yes
O No
Explain your answer.
O Positive r indicates that the least-squares line must have positive slope; negative r indicates that it
must have positive slope.
O Positive r indicates that the least-squares line must have positive slope; negative r indicates that it
must have negative slope.
O Positive r indicates that the least-squares line must have positive slope; negative r indicates that it
must have negative slope.
O Positive r indicates that the least-squares line must have negative slope; negative r indicates that it
must have positive slope.
Transcribed Image Text:(e) The correlation and the slope of the least-squares line in (b) are both negative. Is it possible for these two quantites to have opposite signs? O Yes O No Explain your answer. O Positive r indicates that the least-squares line must have positive slope; negative r indicates that it must have positive slope. O Positive r indicates that the least-squares line must have positive slope; negative r indicates that it must have negative slope. O Positive r indicates that the least-squares line must have positive slope; negative r indicates that it must have negative slope. O Positive r indicates that the least-squares line must have negative slope; negative r indicates that it must have positive slope.
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