(she purposefully did not look at this date until after she submitted students grades) and the overall g.p.a. for each student computed over the entire year. The date for her dass are provided below. Achievement G.P.A. Achievement G.P.A. 1. Compute the correlation coefficient. 2. What does this statistic mean concerning the 98 3.6 84 1.7 relationship between achievement test prformance and g.p.a.? 96 2.7 79 3.1 3. What percent of the variability is accounted for by the 04 3.1 75 2.6 relationship between the two variables and what does this statistic mean? 88 4.0 72 2.9 4. What would be the slope and y-intercept for a regression line based on this data? 91 3.2 86 2.4 5. If a student scored a 93 on the achievement test, what would be their predicted G.P.A.? If they scored a 74? 77 3.0 85 3.4 88