46 75 40 64 Vehicles with functioning muffler ( 70 43 75 68 54 38 52 72 65 55 62 58 76 Average noise pollution (decibels) 38 50 32 53 36 27 35 49 30 35 42 52 46 32 34 36 43 39 40 30 Based on these results, what would be your prediction for the average noise pollution level (in decibels) for a city with 90% of its vehicles having a functioning muffler? Your response should address the following: the type of correlation between the percentage of vehicles with a functioning muffler and the average noise pollution level what you determine to be the equation of a line of fit for this data final calculations you made to determine your prediction
46 75 40 64 Vehicles with functioning muffler ( 70 43 75 68 54 38 52 72 65 55 62 58 76 Average noise pollution (decibels) 38 50 32 53 36 27 35 49 30 35 42 52 46 32 34 36 43 39 40 30 Based on these results, what would be your prediction for the average noise pollution level (in decibels) for a city with 90% of its vehicles having a functioning muffler? Your response should address the following: the type of correlation between the percentage of vehicles with a functioning muffler and the average noise pollution level what you determine to be the equation of a line of fit for this data final calculations you made to determine your prediction
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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Directions
A study of vehicles in 20 cities was taken to measure the noise pollution and the percent-
age of vehicles with functioning mufflers. The results are given in the table and scatter plot
below.
Average noise pollution (decibels)
50
30
20
*****
40
50
80
Vehicles with functioning muffler (%)
60
70
Vehicles with functioning muffler (%) 60 46 75 40 64 80 70 43 75 68 54 38 52 70 72 65 55 62 58 76
Average noise pollution (decibels) 38 50 32 53 36 27 35 49 30 35 42 52 46 32 34 36 43 39 40 30
Based on these results, what would be your prediction for the average noise pollution level (in decibels) for a
city with 90% of its vehicles having a functioning muffler? Your response should address the following:
the type of correlation between the percentage of vehicles with a functioning muffler and the average
noise pollution level
what you determine to be the equation of a line of fit for this data
final calculations you made to determine your prediction

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