Country Project

1. Do your data support the hypothesis that more than half of the countries in the world are predominately Christian at the .05 significance level? At the .10 level? (20 points) Sheet 8

2. Regression and Correlation analysis

a. Determine the sample regression line relating infant mortality to female literacy and plot it on a new scattergram. (4 points) Sheet 9

b. Compute the correlation coefficient and coefficient of determination. (4 points) Sheet 10

c. Test the hypothesis that 1 = 0. (4 points) Sheet 10

d. Compute a 90% confidence interval estimate for 1. (4 points) Sheet 10

e. With 90% confidence, estimate an average for all countries and predict for an individual country the infant mortality rate when female literacy rate is .75. (4 points) Sheet 11