Make a list of 20 people you know. Include men and women, various ages, various educational levels, and so on. Number the list and then use the random number list in Table 7.1 to select six people randomly from your list. How representative of the population is the sample? Find the proportion of men in your population and in your sample. How do the proportions compare? Find the proportion of 20-year olds in your sample and the proportion in the population. How do they compare?

Table 7.1

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A Brief Table of Random Numbers 42595 27958 86385 91567 30134 04024 29880 99730 46503 49618 20655 18584 18845 02304 51038 58727 34914 88720 63974 82765 87589 40836 34476 17032 16703 23167 57491 49323 45021 33132 12544 41035 14422 22716 30405 83946 23792 15059 45799 19792 74353 68668 30429 70735 16631 35006 09983 25499 13916 85900 07119 97336 71048 08178 77233 47564