Question

You conduct research in January, June and December. At each point in time you ask respondents to rate their cell phone company on a 1 (very poor) to 5 (superior) scale. The average ratings are shown below.

JanuaryJuneDecember
Sprint3.34.44.6
AT&T3.63.23
Verizon332.2
Prepare a line chart that presents this information.

Answer

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