Water Usage of Production Plant

Keywords: multiple regression, best subsets

Description

A production plant cost-control engineer is responsible for cost reduction. One of the costly items in his plant is the amount of water used by the production facilities each month. He decided to investigate water usage by collecting seventeen observations on his plant's water usage and other variables.


	Variable		Description

	Temperature		Average monthly temperate (F)
	Production		Amount of production (M pounds)
	Days		Number of plant operating days in the month
	Persons		Number of persons on the monthly plant payroll
	Water		Monthly water usage (gallons)

Download

Data File (tab-delimited text)

Source

Draper, N.R., and Smith, H. (1981). Applied Regression Analysis. Second Edition. Wiley, New York, page 352.