Essay
Pop-up coffee vendors have been popular in the city of Adelaide in 2013. A vendor is interested in knowing how temperature (in degrees Celsius) and number of different pastries and biscuits offered to customers impacts daily hot coffee sales revenue (in $00's).
A random sample of 6 days was taken, with the daily hot coffee sales revenue and the corresponding temperature and number of different pastries and biscuits offered on that day, noted.
Describe the following scatterplots. 
Scatterplot of Daily hot coffee sales revenue vs Temperature 
Scatterplot of Daily hot coffee sales revenue Pastries/biscuits 
Residual scatterplot of Daily hot coffee sales revenue vs fitted values
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