The regression line for a data set giving sales S, in dollars, t years after 2016 is S = 210t + 2700. (a) Explain in practical terms the meaning of the slope. The slope of 210 dollars per year means that sales for the pertinent period are decreasing by $210 each year.The slope of 2700 dollars per year means that sales for the pertinent period are decreasing by $2700 each year. The slope of 2700 dollars means the initial sales are 2700 dollars in 2016.The slope of 2700 dollars per year means that sales for the pertinent period are increasing by $2700 each year.The slope of 210 dollars per year means that sales for the pertinent period are increasing by $210 each year. (b) What sales are indicated for 2020?
The regression line for a data set giving sales S, in dollars, t years after 2016 is S = 210t + 2700. (a) Explain in practical terms the meaning of the slope. The slope of 210 dollars per year means that sales for the pertinent period are decreasing by $210 each year.The slope of 2700 dollars per year means that sales for the pertinent period are decreasing by $2700 each year. The slope of 2700 dollars means the initial sales are 2700 dollars in 2016.The slope of 2700 dollars per year means that sales for the pertinent period are increasing by $2700 each year.The slope of 210 dollars per year means that sales for the pertinent period are increasing by $210 each year. (b) What sales are indicated for 2020?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter4: Calculating The Derivative
Section4.CR: Chapter 4 Review
Problem 87CR
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The regression line for a data set giving sales S, in dollars, t years after 2016 is
S = 210t + 2700.
(a)
Explain in practical terms the meaning of the slope.
The slope of 210 dollars per year means that sales for the pertinent period are decreasing by $210 each year.The slope of 2700 dollars per year means that sales for the pertinent period are decreasing by $2700 each year. The slope of 2700 dollars means the initial sales are 2700 dollars in 2016.The slope of 2700 dollars per year means that sales for the pertinent period are increasing by $2700 each year.The slope of 210 dollars per year means that sales for the pertinent period are increasing by $210 each year.
(b)
What sales are indicated for 2020?
$
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