X What's New X LaGuardia Community College - 1 X Q Lumen OHM X + 847_ST1 + - C A ohm.lumenlearning.com/assess2/?cid=612828laid=4492561#/skip/3 2.6.188 A regression was run to determine if there is a relationship between the happiness index (y) and life 54mins X expectancy in years of a given country (x). The results of the regression were: y=a+bx re allowed a=-0.22 elated wor b=0.087 only for M Su ng or e-ma (a) Write the equation of the Least Squares Regression line of the form se comput y= 0.22 0.087 (b) Which is a possible value for the correlation coefficient, r? O-0.815 O 1.946 O-1.946 0 0.815 (c) If a country increases its life expectancy, the happiness index will O decrease O increase (d) If the life expectancy is increased by 3 years in a certain country, how much will the happiness index change? Round to two decimal places. epartment of Ma gineering and C Guardia Commu SUNY M O