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A research analyst for an oil company wants to develop a model to predict miles per gallon based on highway speed. An experiment is designed in which a test car is driven at speeds ranging from 10 miles per hour to 75 miles per hour.
a) Set up a scatter diagram for speed and miles per gallon.
b) Apply simple regression analysis, and then interpret the meaning of the slope b1 in this problem.
c) Interpret the meaning of the regression coefficient b0 in this problem.
d) Determine the coefficient of determination, r2, and interpret its meaning.
e) How useful do you think this regression model is for predicting mileage?
if u=x^2-2y^2, v=2x^2-y^2 and x=rcosp ad y=rsinp, find the value of the jacobian d(u,v)/d(r,p)
procedure of tracing a closed loop
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given sample A : HAS SIZE 6,MEAN 8,VARIANCE 16 AND SAMPLE B:has size 10,mean 20 and variance 36 .calculate pooled sample variance
what are the applications of integration?
With the help of energy bands explain how conduction takes place in semiconductors. Semiconductors: Substances as carbon, germanium and silicon that electrical conductivity l
prove that A=3i+j-2k ,B= -i+3j+4k, C=4i-2j-6k can form a triangle and find the length of the medians of the triangle.
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Verify how long $400 must be left to store at 12 % p.a. compounded monthly for it to amount to triple the soted value of another $400 deposited at the similar time at 8.8% p.a. com
y''(x)=2*10^-6*y(x)(100000-y(x))
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