Answer: Measuring Weights When certain quantities are
Chapter 11, Problem 2(choose chapter or problem)
Measuring Weights When certain quantities are measured, the last digits tend to beuniformly distributed, but if they are estimated or reported, the last digits tend to have disproportionatelymore 0s or 5s. If we use the last digits (decimal portion) of the 80 weightsin Data Set 1 from Appendix B, we get the frequency counts in the table below. Use a 0.05significance level to test the claim that the last digits of 0, 1, 2, c, 9 occur with the samefrequency. Does it appear that the weights were obtained through measurements? Last Digit 0 1 2 3 4 5 6 7 8 9Frequency 6 7 4 11 10 8 5 9 10 10
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