Question: Question # 03 The average monthly cell phone bill was reported to be $50.07 by the U.S. Wireless Industry. Random sampling of a large cell

Question # 03

The average monthly cell phone bill was reported to be $50.07 by the U.S.

Wireless Industry. Random sampling of a large cell phone company found the

following monthly cell phone charges:

55.83 49.88 62.98 70.42 60.47 52.45 49.20 50.02 58.60 51.29

At the 0.05 level of significance can it be concluded that the average phone bill

has increased?

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