Bargain Rental Car wants to better understand the variable and fixed portions of its car Washing operates its own car wash facility that cleans each rental car before releasing it to another customer. Management believes the variable portion of its car washing costs relates to the number of rental returns. Accordingly, the following data have been compiled: Month January February March April May June July August September October November December Rental Returns 2,400 2,500 2,800 3,100 3,700 5,100 5,600 5,600 4,700 4,100 2,200 2,900 Car Wash Costs $ 11,300 $ 13,300 $ 12,100 $ 14,700 $ 16,500 $ 23,900 $ 22,500 $ 22,900 $ 23,100 $ 22,000 $ 11,000 $ 15,300

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Bargain Rental Car wants to better understand the variable and fixed portions of its car washing costs. The company
operates its own car wash facility that cleans each rental car before releasing it to another customer. Management
believes the variable portion of its car washing costs relates to the number of rental returns. Accordingly, the following
data have been compiled:
Month
January
February
March
April
May
June
July
August
September
October
November
December
Rental
Returns
2,400
2,500
2,800
3,100
3,700
5,100
5,600
5,600
Fixed cost per month
Variable cost per rental return
4,700
4,100
2,200
2,900
Exercise 5A-2 Part 2 (Algo)
Car Wash Costs
$ 11,300
$ 13,300
$ 12,100
$ 14,700
$ 16,500
$ 23,900
$ 22,500
$ 22,900
$ 23,100
$ 22,000
$ 11,000
$ 15,300
2. Using least-squares regression, estimate the variable cost per rental return and the monthly fixed cost incurred to wash cars.
Note: Round Fixed cost to the nearest whole dollar amount and the Variable cost per unit to 2 decimal places.
Transcribed Image Text:Bargain Rental Car wants to better understand the variable and fixed portions of its car washing costs. The company operates its own car wash facility that cleans each rental car before releasing it to another customer. Management believes the variable portion of its car washing costs relates to the number of rental returns. Accordingly, the following data have been compiled: Month January February March April May June July August September October November December Rental Returns 2,400 2,500 2,800 3,100 3,700 5,100 5,600 5,600 Fixed cost per month Variable cost per rental return 4,700 4,100 2,200 2,900 Exercise 5A-2 Part 2 (Algo) Car Wash Costs $ 11,300 $ 13,300 $ 12,100 $ 14,700 $ 16,500 $ 23,900 $ 22,500 $ 22,900 $ 23,100 $ 22,000 $ 11,000 $ 15,300 2. Using least-squares regression, estimate the variable cost per rental return and the monthly fixed cost incurred to wash cars. Note: Round Fixed cost to the nearest whole dollar amount and the Variable cost per unit to 2 decimal places.
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