Question 39

Here is a sample of amounts of weight change(kg) of college students in their freshmanyear: 12, 6, 3, 4, where 4 represents a loss of 4 kg and positive values represent weight gained. Using the 200 given bootstrapsamples, complete parts(a) and(b) below.

a. Construct a 90% confidence interval of the mean weight change for thepopulation, using the 200 bootstrap samples.

---- kg<< ----(Round to one decimal place asneeded.)

b. Construct a 90% confidence interval estimate of the standard deviation of the weight changes for thepopulation, using the 200 bootstrap samples.

------ kg

(Round to one decimal place asneeded.)