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 Also given is the product of the birthrate and the female life expectancy for each of the twelve countries These products written in the column labelled xy may aid in calculations Birthrate x number of births per 1000 pop 13 5 51 0 42 2 Female life expectancy y in years 27 0 18 7 45 8 15 8 51 5 30 3 35 3 23 1 50 3 Send data to calculator 71 5 53 8 64 0 71 9 74 0 58 6 75 0 61 3 63 8 66 0 74 8 62 5 xy 965 25 2743 8 2700 8 1941 3 1383 8 2683 88 1185 3156 95 1933 14 2329 8 1727 88 3143 75 Female life expectancy in years 85 Figure 1 80 65 60 55 50 1 10 15 20 25 30 25 30 35 40 45 A ist of s Birthrate number of births per 1000 pop What is the slope of the least squares regression line for these data Carry your intermediate computations to at least four decimal places and round your answer to at least two decimal places If necessary consult a list of formulas