1. Determine the correlation between variables (if it exists) in this relation. Which variable is the dependent (output) variable? A. Percent of women receiving prenatal care B. Percent of gross domestic product (GDP) spent on healthcare Enter letter corresponding to correct answer 2. Using technology, determine coefficient of correlation r Enter r value to nearest ten-thousandth, with its sign (no spaces). Examples of correctly entered responses: +0.7789 -0.4529 +0.9976 Correlation coefficient calculator: Correlation and Linear Regression Calculator Applet 3. What type of linear correlation does the calculated r value indicate? A. Weak negative correlation B. Weak positive correlation C. No linear correlation D. None of the above are correct Enter letter corresponding to correct answer
Q4A
The World Bank collected data on the percentage of GDP that a country spends on health expenditures ("Health expenditure," 2013) and also the percentage of women receiving prenatal care ("Pregnant woman receiving," 2013). The data for the 15 countries where this information are available for the year 2011 is in the table below:
|
Health Expenditure (% of GDP) |
Prenatal Care (%) |
|
9.6 |
47.9 |
|
3.7 |
54.6 |
|
5.2 |
93.7 |
|
5.2 |
84.7 |
|
10.0 |
100.0 |
|
4.7 |
42.5 |
|
4.8 |
96.4 |
|
6.0 |
77.1 |
|
5.4 |
58.3 |
|
4.8 |
95.4 |
|
4.1 |
78.0 |
|
6.0 |
93.3 |
|
9.5 |
93.3 |
|
6.8 |
93.7 |
|
6.1 |
89.8 |
1. Determine the
A. Percent of women receiving prenatal care
B. Percent of gross domestic product (GDP) spent on healthcare
Enter letter corresponding to correct answer
2. Using technology, determine coefficient of correlation r
Enter r value to nearest ten-thousandth, with its sign (no spaces). Examples of correctly entered responses:
+0.7789 -0.4529 +0.9976
3. What type of
A. Weak
B. Weak
C. No linear correlation
D. None of the above are correct
Enter letter corresponding to correct answer
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