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LSRL and Correlation Coefficient

  •  English    10     Public
    correlation coefficient, least squares regression line
  •   Study   Slideshow
  • If the coefficient of determination is 0.49 then the correlation coefficient is ______
    r = 0.7
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  • Which correlation is stronger? r = 0.7 or r = -.75?
    r = -.75
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  • The variable that goes on the x-axis is called the explanatory variable. What is the variable that goes on the y-axis called?
    response variable
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  • If your explanatory variables go from 5 to 10, what is it called when you're asked to make a prediction OUTSIDE of that range?
    extrapolation
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  • The line of best fit equation is Inches of Snow = -.15(Temperature) + 24. What is the predicted level of snow if the temperature is 64 degrees?
    14.4
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  • What is the equation for the line of best fit?
    y=1.7x+26.3
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  • What letter represents the slope for the LSRL?
    a
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  • What is the residual for 8 years?
    $100
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  • What percent of the change in salary is due to a change in years of experience?
    99.2%
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  • How much can you expect to make if you work at your job for 10 years?
    $43,300
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