A study on driving speed (miles per hour) and fuel efficiency (miles per gallon) for midsize automobiles resulted in the following data. Driving Speed 30 40 60 55 25 30 50 55 25 50 Fuel Efficiency 32 27 21 25 34 30 28 27 37 25 (a) Construct a scatter diagram with driving speed on the horizontal axis and fuel efficiency on the vertical axis. A scatter diagram has 10 points. The horizontal axis is labeled: Driving Speed (MPH), and ranges from 0 to 70. The vertical axis is labeled: Fuel Efficiency (MPG), and ranges from 0 to 40. The graph starts at the points (25, 25) and (25, 26) and moves to the right toward the point (60, 28). The points are all plotted close together and stay between the vertical values of 24 and 29 inclusive. A scatter diagram has 10 points. The horizontal axis is labeled: Driving Speed (MPH), and ranges from 0 to 70. The vertical axis is labeled: Fuel Efficiency (MPG), and ranges from 0 to 40. Most of the points follow a trend that starts at (25, 18) and moves upward towards the point (60, 34). The points are all plotted close together with very little scatter. A scatter diagram has 10 points. The horizontal axis is labeled: Driving Speed (MPH), and ranges from 0 to 70. The vertical axis is labeled: Fuel Efficiency (MPG), and ranges from 0 to 40. Most of the points follow a trend that starts at (25, 37) and moves downward towards the point (60, 21). The points are all plotted close together with very little scatter. A scatter diagram has 10 points. The horizontal axis is labeled: Driving Speed (MPH), and ranges from 0 to 70. The vertical axis is labeled: Fuel Efficiency (MPG), and ranges from 0 to 40. The points plotted from the driving speed values of 25 to 60 are evenly scattered between fuel efficiency values of 23 and 35. (b) Comment on any apparent relationship between these two variables. For midsized cars, all driving speeds seem to yield about the same miles per gallon.For midsized cars, there seems to be no relationship between driving speeds and fuel efficiency. For midsized cars, lower driving speeds seem to yield higher miles per gallon.For midsized cars, lower driving speeds seem to yield lower miles per gallon.

A study on driving speed (miles per hour) and fuel efficiency (miles per gallon) for midsize automobiles resulted in the following data. Driving Speed 30 40 60 55 25 30 50 55 25 50 Fuel Efficiency 32 27 21 25 34 30 28 27 37 25 (a) Construct a scatter diagram with driving speed on the horizontal axis and fuel efficiency on the vertical axis. A scatter diagram has 10 points. The horizontal axis is labeled: Driving Speed (MPH), and ranges from 0 to 70. The vertical axis is labeled: Fuel Efficiency (MPG), and ranges from 0 to 40. The graph starts at the points (25, 25) and (25, 26) and moves to the right toward the point (60, 28). The points are all plotted close together and stay between the vertical values of 24 and 29 inclusive. A scatter diagram has 10 points. The horizontal axis is labeled: Driving Speed (MPH), and ranges from 0 to 70. The vertical axis is labeled: Fuel Efficiency (MPG), and ranges from 0 to 40. Most of the points follow a trend that starts at (25, 18) and moves upward towards the point (60, 34). The points are all plotted close together with very little scatter. A scatter diagram has 10 points. The horizontal axis is labeled: Driving Speed (MPH), and ranges from 0 to 70. The vertical axis is labeled: Fuel Efficiency (MPG), and ranges from 0 to 40. Most of the points follow a trend that starts at (25, 37) and moves downward towards the point (60, 21). The points are all plotted close together with very little scatter. A scatter diagram has 10 points. The horizontal axis is labeled: Driving Speed (MPH), and ranges from 0 to 70. The vertical axis is labeled: Fuel Efficiency (MPG), and ranges from 0 to 40. The points plotted from the driving speed values of 25 to 60 are evenly scattered between fuel efficiency values of 23 and 35. (b) Comment on any apparent relationship between these two variables. For midsized cars, all driving speeds seem to yield about the same miles per gallon.For midsized cars, there seems to be no relationship between driving speeds and fuel efficiency. For midsized cars, lower driving speeds seem to yield higher miles per gallon.For midsized cars, lower driving speeds seem to yield lower miles per gallon.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A study on driving speed (miles per hour) and fuel efficiency (miles per gallon) for midsize automobiles resulted in the following data.

Driving Speed	30	40	60	55	25	30	50	55	25	50
Fuel Efficiency	32	27	21	25	34	30	28	27	37	25

(a)

Construct a scatter diagram with driving speed on the horizontal axis and fuel efficiency on the vertical axis.

A scatter diagram has 10 points.

The horizontal axis is labeled: Driving Speed (MPH), and ranges from 0 to 70.
The vertical axis is labeled: Fuel Efficiency (MPG), and ranges from 0 to 40.
The graph starts at the points (25, 25) and (25, 26) and moves to the right toward the point (60, 28). The points are all plotted close together and stay between the vertical values of 24 and 29 inclusive.

A scatter diagram has 10 points.

The horizontal axis is labeled: Driving Speed (MPH), and ranges from 0 to 70.
The vertical axis is labeled: Fuel Efficiency (MPG), and ranges from 0 to 40.
Most of the points follow a trend that starts at (25, 18) and moves upward towards the point (60, 34). The points are all plotted close together with very little scatter.

A scatter diagram has 10 points.

The horizontal axis is labeled: Driving Speed (MPH), and ranges from 0 to 70.
The vertical axis is labeled: Fuel Efficiency (MPG), and ranges from 0 to 40.
Most of the points follow a trend that starts at (25, 37) and moves downward towards the point (60, 21). The points are all plotted close together with very little scatter.

A scatter diagram has 10 points.

The horizontal axis is labeled: Driving Speed (MPH), and ranges from 0 to 70.
The vertical axis is labeled: Fuel Efficiency (MPG), and ranges from 0 to 40.
The points plotted from the driving speed values of 25 to 60 are evenly scattered between fuel efficiency values of 23 and 35.

(b)

Comment on any apparent relationship between these two variables.

For midsized cars, all driving speeds seem to yield about the same miles per gallon.For midsized cars, there seems to be no relationship between driving speeds and fuel efficiency. For midsized cars, lower driving speeds seem to yield higher miles per gallon.For midsized cars, lower driving speeds seem to yield lower miles per gallon.

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