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Unformatted text preview: Interval for the Mean . Process Total for Data Set 22 in Appendix B, pages 790-791. Consider these 62 households as a sample of all households in Phoenix, Arizona. Construct a 99% confidence interval for the population mean. Do you think that this sample is representative of the population? Explain. [Hint : Run Descriptive Statistics first. Then, run Confidence Intervals. Assume that the garbage was collected at households drawn at random throughout Phoenix. Review Chapter 1.] The sample does represent the population because the mean demonstrates that the majority of the population does stand between the range of 23.23665 and 31.65013. 3. (5) Section 7-5, #22, Page 379. Confidence Interval for the Standard Deviation . MAT 109 Week 7 Processing C.I.s 2 Peirce College Faculty...
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- Spring '10