Question: The following data show the average monthly utility bills for

The following data show the average monthly utility bills for a random sample of households in Baltimore and for a random sample of households in Houston. (The bills include phone, television, Internet, electricity, and natural gas.)
a. Perform a hypothesis test using α = 0.05 to determine if there is a difference between the mean utility bills in these two cities.
b. Determine the p value and interpret the results.
c. Verify your results using PHStat.

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  • CreatedJuly 17, 2015
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