Question: In a class of remedial English that was taught by the lecture method, 52 out of 75 students completed the course with a passing grade. In the same course with computer-assisted instruction, 69 out of 95 completed the course with a passing grade. At the .05 level, is there a significant difference in the passing rates for the two different methods of instruction? 20. Use the following data to:

a) draw a scatter plot

b) find the coefficient of correlation and test the significance at the .05 level

c) find the regression line

d) predict y′ for x = 5

e) find the coefficients of determination and non-determination

f) find the standard error of estimate

g) find the 95% confidence interval for the number of alcoholic drinks of

x = 5