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QUESTION
Last year, the U. mean hourly rate was $12. In April of this year, a sample of 50 workers showed an average hourly rate of $13.76 with a standard...
1. Last year, the U.S. mean hourly rate was $12.45. In April of this year, a sample of 50 workers showed an average hourly rate of $13.76 with a standard deviation of $3.01. Use a = .05. Assume P-value= .003. Are hourly rates higher this year than last year rates?
a) We reject Ho. "Rates are not higher this year."
b) We do not reject Ho. "Rates are not higher this year."
c) We reject Ho. "Rates are higher this year."
d) We do not reject Ho. "Rates are higher this year."
