3) Now you try it. GAWK? a) For a fetus who has an abdominal circumference of 300mm, what is its predicted b) This fetus is not part of the data set, so we cannot calculate the prediction error for its GAWK. What is the estimated error? c) Give an interval that estimates its GAWK. 4) Here is the print-out for a linear regression for a sample of adults. error of the Simple linear regression results: Dependent Variable: Temperature (F) 101 - Independent Variable: HeartRate (beats per minute) 100 Predicted Temperature = 96.3 + 0.03 (HeartRate) 99 ARO Sample size: 130 Temperature (deg F 98 on R (correlation coefficient) = 0.2536564 80 R-sq = 0.064341571 97 Estimate of error standard deviation: Se =0.71196889 96 65 60 65 70 75 80 85 90 HeartRate (beats/min) a) What is the explanatory variable? b) How many people are in the sample? c) Is there a strong or weak association between heart rate and body temperature? What in the print-out supports your answer? d) Is the association positive or negative? What in the print-out supports your