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Find the equation of the regression line and predict y when x = 2.5. x  1 5 4 2 3 6 y  25 5 10 20 15 5

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In a study, nine tires of a particular brand were driven on a track under identical conditions. Each tire was driven a particular controlled distance (measured in thousands of miles), and afterward the tread depth was measured.

Statistics
In a study, nine tires of a particular brand were driven on a track under identical conditions. Each tire was driven a particular controlled distance (measured in thousands of miles), and afterward the tread depth was measured.

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If y = 18x+5 is the regression line of x on y then the value of bxy is what ?

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To whoever responds, thanks for your help :). Astrids (*) signify my answer. 1. Find the least squares regression line for the dataset in the table xy 31 45 811 1021 a. y=2.55x6.435 b. y=2.55x+6.435**** c. y=1.477x+1.477 d.

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A. If the correlation coefficient is 0.65, what is the sign of the slope of the regression line? B. As the correlation coefficient decreases from 0.97 to 0.99, do the points of the scatter plot move toward the regression line,

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Suppose a data set has a linear regression line of y = 6 0.8x. If the mean of the x's is 5, what is the mean of the y's? 2 5 10 6 None of the above

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Question 3 Investment analysts generally believe the interest rate on bonds is inversely related to the prime interest rate for loans; that is, bonds perform well when lending rates are down and perform poorly when interest rates

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Pre study scores versus poststudy scores for a class of 120 college freshman english students were considerated. The residual plot for the least squares regression line showed no pattern. The least square regression line was y =

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The following linear equation, y = b0 + b1x, is a regression line with yintercept b0 and slope b1. Define These Terms 1) correlation coefficient 2) Linear regression equation

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the line passes through the points s(6,6) and T(0,2) determine the gradient of the line the equation of the line the midpoint of the line segment,TS the length of the line segment,TS
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