Please help with this question have been stuck for an hour

X 7.4.7-T Question Help Here is a sample of amounts of weight change (kg) of college students in their freshman year: 10, 3, -3, -4, where - 4 represents a loss of 4 kg and positive values represent weight gained. Here are ten bootstrap samples: {10, 10, 10, -3}, {10, -4, -3, 10}, {10, -4, 3, -3}, {3, -4, -3, 10}, {-3, -3, -3, 3), {3, -4, 3, -4}, (10, 3, - 4, -3), {- 4, 3, -4, 3}, {-4, -3, -4, 3}, {3, 10, 10, 10}. 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