Question: Data set 29 ?Coin Weights? in Appendix B includes weights of 20 one-dollar coins. Given that the sample size is less than 30, what requirement

Data set 29 ?Coin Weights? in Appendix B includes weights of 20 one-dollar 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

INDIAN PENNIES PRE-1983 PENNIES POST-1983 PENNIES CANADIAN PENNIES PRE-1964 QUARTERS DOLLAR COINS

INDIAN PENNIES PRE-1983 PENNIES POST-1983 PENNIES CANADIAN PENNIES PRE-1964 QUARTERS DOLLAR COINS WHEAT PENNIES POST-1964 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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