The price of gasoline and the sale of number of gallons of gasoline at a particular gas station had the following values over the last 10 days. Calculate the slope and the Y intercept for the relationship between the price of gasoline and number of gallons sold.
Day price per gallon number of gallons sold
1 $3.85 100
2 $3.86 105
3 $3.90 90
4 $3.89 80
5 $3.91 79
6 $3.93 75
7 $3.96 70
8 $3.99 65
9 $3.92 85
10 $4.02 60