Not use excel

20. The environment department carried out a study in one of the towns on the amount of daily rainfall and the amount of pollution removed from the air by the effects of rain, obtaining the following data: Rainfall Number of particles daily x (0.01 cm) removed, and (ug/m3) 4.3 126 4.5 121 5.9 116 5.6 118 6.1 114 5.2 118 3.8 141 7.5 108 a) Calculate the equation of the regression line to predict the particles removed from the amount of daily precipitation. b) Estimate the amount of particles removed if the daily precipitation (amount of rain) is 6.3 units c) Evaluate the error sum of squares d) Evaluate the mean square error. el Construct a 95% confidence interval for BO! f) Construct a 95% confidence interval for BI