question archive You are estimating the manufacturing hours for an airframe based on the airframe weight
You are estimating the manufacturing hours for an airframe based on the airframe weight
Subject:StatisticsPrice:2.87 Bought7
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You are estimating the manufacturing hours for an airframe based on the airframe weight. The airframe you are estimating weighs 148784 pounds. Given the following equation, select the correct response from each pair. |
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The independent variable is Hours |
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The independent variable is Weight |
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The slope is 124.50 |
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The slope is 0.75 |
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The estimated manufacturing hours for your airframe are 762 hours |
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The estimated manufacturing hours for your airframe are 111712.5 hours |
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Answer:
A statistical technique used to explain or predict the behavior of a dependent variable. Generally, a regression equation takes the form of Y=a+bx+c, where Y is the dependent variable that the equation tries to predict, X is the independent variable that is being used to predict Y, a is the Y-intercept of the line, b is the slope of the line and c is a value called the regression residual. The values of a and b are selected so that the square of the regression residuals is minimized.
Read more: http://www.investorwords.com/4137/regression_equation.html#ixzz3j5kfyVoa
The independent variable is Weight
The slope is 0.75
The estimated manufacturing hours for your airframe are
Hours = 124.50 + 0.75 (Weight in pounds)=124.5+(.75*148784)=111712.5 hours
