The following table shows data on average per capita (per person) wine consumption and heart disease rate in a random sample of 10 countries. Yearly wine Death from heart consumption in diseases liters 2.5 221 3.9 167 2.9 131 2.4 191 2.9 220 0.8 297 9.1 71 2.7 172 0.8 211 0.7 300 r: 0.836 (a) Compute a correlation coefficient (r) between these two variables and interpret it. Interpretation: Но: На: t-statistic P-value or critical r value(s) Does the data provide convincing evidence that there is a linear relationship between the (b) amount of alcohol consumed and the heart disease death rate? Carry out an appropriate test at a significance level of 0.05. You can use either t-statistic or critical values for your test. Conclustion:
The following table shows data on average per capita (per person) wine consumption and heart disease rate in a random sample of 10 countries. Yearly wine Death from heart consumption in diseases liters 2.5 221 3.9 167 2.9 131 2.4 191 2.9 220 0.8 297 9.1 71 2.7 172 0.8 211 0.7 300 r: 0.836 (a) Compute a correlation coefficient (r) between these two variables and interpret it. Interpretation: Но: На: t-statistic P-value or critical r value(s) Does the data provide convincing evidence that there is a linear relationship between the (b) amount of alcohol consumed and the heart disease death rate? Carry out an appropriate test at a significance level of 0.05. You can use either t-statistic or critical values for your test. Conclustion:
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Transcribed Image Text:The following table shows data on average per capita (per person) wine consumption and heart disease rate in a random sample of 10 countries.
Yearly wine
Death from heart
consumption in
diseases
liters
2.5
221
3.9
167
2.9
131
2.4
191
2.9
220
0.8
297
9.1
71
2.7
172
0.8
211
0.7
300
r:
0.836
(a) Compute a correlation coefficient (r) between these two variables and interpret it.
Interpretation:
Но:
На:
t-statistic
P-value
or
critical r value(s)
Does the data provide convincing evidence that there is a linear relationship between the
(b) amount of alcohol consumed and the heart disease death rate? Carry out an
appropriate test at a significance level of 0.05. You can use either t-statistic or critical values for your test.
Conclustion:
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