QUESTION 1, (a). A scientist used the following data set showing the weight in pounds gained (or lost) by a sample of eight laboratory animals given drug X. as follows 8.8, -7.8, 2.0, 3.0, -2.3 , 2.8, 5.5, -5.6, Determine the following (). The sample size n (1 point) Soln. Sample size n = count of data = 8 (ii).Ex: (2 points) Soln. I Sums of alk numbers above -= 8.8 + -7.8+-5.6 = 6.4 (iii)Xbec (2 points) Soln. 0.8