6. Assume that the scatterplot shows the median volume and median value of used cars over the years in the UK used car market. (a) As the data are graphed, which is the independent and which is the dependent variable? (b) Why do you suppose median value and volume have been used instead of the mean? (c) Using the graph, estimate the median value of sales if the median volume of used cars sold is 2.3 million. (d) Use the equation to predict the median value of sales if the median volume of used cars sold is 2.3 million. (e) What other factors besides the price of used cars might influence the volume of used cars sold?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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6. Assume that the scatterplot shows the median volume and median value of used cars over the years in
the UK used car market.
(a) As the data are graphed, which is the independent and which is the dependent variable?
(b) Why do you suppose median value and volume have been used instead of the mean?
(c) Using the graph, estimate the median value of sales if the median volume of used cars sold is 2.3
million.
(d) Use the equation to predict the median value of sales if the median volume of used cars sold is 2.3
million.
(e) What other factors besides the price of used cars might influence the volume of used cars sold?
Value = 30.97 – 1.211 Volume
40
35
30
25
20 -
15
10 -
0+
1.5
2
2.5
Median Volume of Used Cars Sold (in millions)
Median Value of Used Car Sales
(in billions of pounds)
Transcribed Image Text:6. Assume that the scatterplot shows the median volume and median value of used cars over the years in the UK used car market. (a) As the data are graphed, which is the independent and which is the dependent variable? (b) Why do you suppose median value and volume have been used instead of the mean? (c) Using the graph, estimate the median value of sales if the median volume of used cars sold is 2.3 million. (d) Use the equation to predict the median value of sales if the median volume of used cars sold is 2.3 million. (e) What other factors besides the price of used cars might influence the volume of used cars sold? Value = 30.97 – 1.211 Volume 40 35 30 25 20 - 15 10 - 0+ 1.5 2 2.5 Median Volume of Used Cars Sold (in millions) Median Value of Used Car Sales (in billions of pounds)
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