Since we can find that the graphs Y value is by a factor of 2 looking at the graph we can find
f(3)=8
The customer pays $85 because 10.15 multiplied by 8.375 equals 85.00625 or $85 hope that helps!
A <em>parameter </em>is a number describing a whole population (e.g., population mean), while a <em>statistic </em>is a number describing a sample (e.g., the sample mean).
