The following table shows the number of cell phone minutes
The following table shows the number of cell phone minutes used per month on my family plan for the past eight months. These data can also be found in the Excel file cell phone minutes.xlsx.
a. Construct a graph showing the number of minutes used per month on my cell phone account over time.
b. Forecast the number of minutes for next month using a trend projection.
c. Calculate the MAD for this forecast.
d. If my family plan includes only 500 minutes per month, in what month am I predicted to exceed these minutes?
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