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Below are bivariate data giving birthrate and life expectancy information for each of twelve countries. For each of the countries, both the number of births 3: per one thousand people in the population and the female life expectanCy y [in years} are given. These data are displayed in the Figure 1 scatter plot. 35:" 49.9 51.5 3\" 23.4 ?2.5 is; 3-: x x 49.9 60.9 m_ x x X 24.5 ?4.? as- : 14$ ?0.9 so . x E 59.5 53.9 x 39.6 55.1 5:_ x 36.8 69.3 so- 31.:' 63.? , 1 45.2 515 in 1'.~ ."0 rs 1n 3': an as 'ED 5': to 19.2 74.0 Figural 14.? :51: f = 33.36 ? = 66.59 3x = 13.65 s), = 7.15 The least-squares regression line for these data has a slope of approximately 0.46. Answer the following. Carry your intermediate computations to at least four decimal places. a. what is the value of the y-intercept of the least-squares regression line for these data? Raund your answer to at least two decimal places. b. what is the value of the sample correlation coefficient for these data? Round your answer to at least three decimal places. Predict the result for x = 24.5 and compare it with observe value. d. Dose the observation in part c is more than the average? 0