Question

Use MATLAB actively to test and verify behavior. If a question asks for output, run the code to confirm your answer. Use syntax as reviewed in class. Question 10 Given the speed and mpg data: \[ \begin{array}{l} \text { speed }=[30,40,50,60,70] ; \\ \mathrm{mpg}=[35,33,31,29,27] ; \end{array} \] What does the output of polyfit(speed, mpg, 1) represent? The fuel efficiency at 55 mph The average mpg The slope and intercept of the best-fit line A table of all speed-mpg values Previous No new data to save. Last checked at 6:06pm 80 a 0 \( B \) 44 DII F3 FA F5 F6 F7 FB \( E \) R T 6 7 8

          Use MATLAB actively to test and verify behavior.
If a question asks for output, run the code to confirm your answer. Use syntax as reviewed in class.

Question 10

Given the speed and mpg data:
\[
\begin{array}{l}
\text { speed }=[30,40,50,60,70] ; \\
\mathrm{mpg}=[35,33,31,29,27] ;
\end{array}
\]

What does the output of polyfit(speed, mpg, 1) represent?
The fuel efficiency at 55 mph
The average mpg
The slope and intercept of the best-fit line
A table of all speed-mpg values
Previous
No new data to save. Last checked at 6:06pm
80
a
0
\( B \)
44
DII
F3
FA
F5
F6
F7
FB
\( E \)
R
T
6
7
8

Use MATLAB actively to test and verify behavior.
If a question asks for output, run the code to confirm your answer. Use syntax as reviewed in class.

Question 10

Given the speed and mpg data:

speed =[30,40,50,60,70] ;
mpg=[35,33,31,29,27] ;

What does the output of polyfit(speed, mpg, 1) represent?
The fuel efficiency at 55 mph
The average mpg
The slope and intercept of the best-fit line
A table of all speed-mpg values
Previous
No new data to save. Last checked at 6:06pm
80
a
0
B
44
DII
F3
FA
F5
F6
F7
FB
E
R
T
6
7
8

Added by Lisa B.

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