Data on the cost (millions of dollars) and the running time (minutes) for films of a particular season are summarized in the computer output shown to the right and the plots below. Complete parts a and b Click the icon to view the plots. Dependent variable is: Budget(M) Rsquared24.0% s 25.12 with 20-2-16 degrees of freedom Variable Coefficient SE(Coeff) t-ratio P-value Intercept -23.5882 34.12 -0.60 0.4982 2.30 0.0282 Run Time 0.665602 0.2788

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Data on the cost (millions of dollars) and the running time (minutes) for films of a particular
season are summarized in the computer output shown to the right and the plots below.
Complete parts a and b
Click the icon to view the plots.
a) Check the assumptions and conditions for inference Select all that apply
The residual plot and the scatterplot show consistent variability
The scatterplot looks straight enough
The residuals look random
The residuals are nearly normal
None of the assumptions and conditions for inference are satisfied.
b) Find a 95% confidence interval for the slope and interpret it.
m% confident that the cost of making longer movies
(Round to two decimal places as needed. Use ascending order.)
Dependent variable is: Budget(SM)
squared-24.0%
R
s 25.12 with 20-2-18 degrees of freedom
Variable Coefficient SE(Coeff) t-ratio P-value
intercept -23.5882
Run Time 0.665602 0.2788
34.12 -0.69 0.4982
2.39 0.0282
at a rate of between and milion dollars per minute
Plots
120
Run Time in
160
Print
Predded
Done
M
Transcribed Image Text:Data on the cost (millions of dollars) and the running time (minutes) for films of a particular season are summarized in the computer output shown to the right and the plots below. Complete parts a and b Click the icon to view the plots. a) Check the assumptions and conditions for inference Select all that apply The residual plot and the scatterplot show consistent variability The scatterplot looks straight enough The residuals look random The residuals are nearly normal None of the assumptions and conditions for inference are satisfied. b) Find a 95% confidence interval for the slope and interpret it. m% confident that the cost of making longer movies (Round to two decimal places as needed. Use ascending order.) Dependent variable is: Budget(SM) squared-24.0% R s 25.12 with 20-2-18 degrees of freedom Variable Coefficient SE(Coeff) t-ratio P-value intercept -23.5882 Run Time 0.665602 0.2788 34.12 -0.69 0.4982 2.39 0.0282 at a rate of between and milion dollars per minute Plots 120 Run Time in 160 Print Predded Done M
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