Data set 29 ?Coin Weights? in Appendix B includes weights of 20 onedollar coins. Given that the
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Data set 29 ?Coin Weights? in Appendix B includes weights of 20 onedollar coins. Given that the sample size is less than 30, what requirement must be met in order to treat the sample mean as a value from a normally distributed population? Identify three tools for verifying that requirement.
Data set 29
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INDIAN PENNIES PRE1983 PENNIES POST1983 PENNIES CANADIAN PENNIES PRE1964 QUARTERS DOLLAR COINS WHEAT PENNIES POST1964 QUARTERS 3.0630 3.1366 3.2214 3.1582 2.5113 6.2771 5.7027 8.1008 3.0487 3.0406 2.4907 3.2326 6.2371 5.7495 8.1072 3.0755 3.0762 2.5024 2.4662 5.7050 2.9149 8.0271 3.1692 3.0476 6.1501 6.0002 3.1358 2.8357 8.0813 3.0398 2.5298 5.5941 2.9753 3.3189 5.7247 8.0241 3.1029 3.1043 2.4950 6.1275
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