Question: (25) Data set 28 in Appendix C of the textbook shows the weight, in grams, of a sample of sugar packets.

a. What is the sample standard deviation?

b. What is the median of the sample?

c. Give a boxplot of the sample.

d. Give a histogram with seven classes for the sample.

e. Test whether the sample came from a normally-distributed population, and justify your conclusion.

f. Give a 92%-confidence interval for the mean of the population of packets from which this sample was drawn.