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

1. What is the sample standard deviation?
2. What is the median of the sample?
3. Give a boxplot of the sample.
4. Give a histogram with seven classes for the sample.
5. Test whether the sample came from a normally-distributed population, and justify your conclusion.
6. Give a 92%-confidence interval for the mean of the population of packets from which this sample was drawn.

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