Concept explainers
For Exercises 5 through 14, perform these steps.
a. Find the
b. State the hypotheses.
c. Find the critical value. Use α = 0.05.
d. Make the decision.
e. Summarize the results.
6. Subway and Commuter Rail Passengers Six cities are randomly selected, and the number of daily passenger trips (in thousands) for subways and commuter rail service is obtained. At α = 0.05, is there a relationship between the variables? Suggest one reason why the transportation authority might use the results of this study.
Source: American Public Transportation Association.
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