
2. Find the mean advertising time (ẋ).
The mean advertising time, ẋ, is 3.33333… minutes.
3. Find the mean sales (ẏ).
The mean sales, ẏ, is approximately $1,796.
Press to return to Numeric view.
Setting up the plot
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Change the plotting range to ensure that all the data points are plotted.
1 6 100 3200
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Getting started with the Statistics 2Var app 249
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