STAT 2060 Lecture 5: Lecture set 5 2060 stats
27 Feb 2016
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Consider this small population of my closest friends and their heights: mary (65, michelle (65) 2. Becky (68: alicia (65, aj (71, tina (64, justin (75, jason (72, heather (73) 11. Pam (67: sondra (65, pete (66, david (71. 5) 15. Brian (67: matt (72, nick (75, crystal (70, dave (73, shirley (69, jeremy (70, steve (76, colleen (62) 26. The height of my friends y c n e u q e r. The mean height of the population is 69. 06 inches. You could each take a sample of 10 people and calculate the mean sample height. Height smallest sample mean 65. 3 largest sample mean (10 shortest people) Normally, we don"t have access to the entire population, but for the time being, let"s pretend we do. Calculated the mean for each sample and recorded them in the histogram below: Let"s try it a few more times: http://onlinestatbook. com/stat_sim/sampling_dist/index. html. N= sample size: calculate the sample mean.
