WEEK_5_Quiz[1]

# WEEK_5_Quiz[1] - RES 342 Week 5 Quiz 1 a Estimate the...

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RES 342 Week 5 Quiz 1. a) Estimate the Regression Equation for the following table and b) Prove the equation does correctly predict fuel consumption within the given range (find Y) Temp Fuel Consumption 12 2 15 2 21 4 27 5 36 6 42 6 Y= 0.148+0.383 Y= 0.531 R= 0.912 2. If there is a linear relationship between the quantity of food a person consumes per day and the person’s weight, the quantity of food a person consumes per day is the ______________. c) Dependent variable 3. A _______________________ model hypothesizes an exact relationship between variables. a ) Straight line b) Curved line c) None of the above

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4. A linear regression equation is given by Y = 2 + 0.75X. What is the value of Y when X=10, Y=90? Y=2+0.75 Y=2.75 Y=2(2.75) + 0.75 Y=6.25(90) =.5 a) 2 b) 7.5 c) 5 d) 5.5 e) -5 5. The least squares method (r 2 ) is applicable only in situations where the estimated regression line has a positive slope. a)
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WEEK_5_Quiz[1] - RES 342 Week 5 Quiz 1 a Estimate the...

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