Data Set 21 in Appendix B lists weights (g) of pre-1964 quarters and post-1964 quarters. Use a
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Data Set 21 in Appendix B lists weights (g) of pre-1964 quarters and post-1964 quarters. Use a 0.05 significance level to test the claim that the samples are from populations with the same median. Does it appear that the design of quarters changed in 1964?
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Test statistic z 2420 1620 103923 770 Critical value...View the full answer
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