In Problems, state the conclusion based on the results of the test. For the hypotheses in Problem
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In Problems, state the conclusion based on the results of the test. For the hypotheses in Problem 19, the null hypothesis is rejected.
Data from Problem 19,
According to the CTIA–The Wireless Association, the mean monthly revenue per cell phone was $38.66 in 2017. A researcher suspects the mean monthly revenue per cell phone is different today.
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