7.4.7-T Question Help Here is a sample of amounts of weight change (kg) of college students in their freshman year: 14, 3, 1, -7, where - 7 represents a loss of 7 kg and positive values represent weight gained. Here are ten bootstrap samples: 14, 14, 14, 1}, {14, -7, 1, 14}, {14, -7, 3, 1}, {3, -7, 1, 14}, {1, 1, 1, 3}, {3, -7, 3, -7), {14, 3, -7, 1}, {-7,3, -7, 3}, { -7,1, -7,3}, {3, 14, 14, 14). © Complete parts (a) and (b) below. a. Using only the ten given bootstrap samples, construct an 80% confidence interval estimate of the mean weight change for the population. [ kg ​