Another researcher= using the same data, ran the following simple linear regression model SATM = ]: + 1316 Per Pupil} + 5i where the deviations Ei were assumed to be independent and normally distributed with mean 0 and standard deviation 0'. This model was t to the data using the method of leastsquares. The following results were obtained om statistical software. Source Sum of Sguares df Model 141322.? 1 Error 45 T214- 49 1Variable Parameter Est. Standard Error of Parameter Est. Constant 5613.3T4 16.311] $PerP'upil _12169 {1.131331 Based on these results: a 95% condence interval for 31, the coefcient of the variable 3 Per Pupil= is approximately