a chain of resorts in northern Ontario rents a total of 1000 rooms. The CEO of the chain suspects that the number of rooms booked on a summer weekend is related to the cost of gasoline. The line of best fit for the number of rooms rented, y, in hundreds, versus the cost of gasoline,x, in dollars per litre, appears to follow the equation y=11.86x+24.1. The data show 780 bookings for a price of $1.35/l. What is the residual for this data

 

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