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The regression line of y on x for a data set is y = 3x… | StemPy Lab

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The regression line of y on x for a data set is y = 3x + 2, and the mean of x is 4. What is the mean of y?

MathematicsMediumHigh School (11–12)Statistics and Probability › Statistics AP A-Level IB AEEE (Amrita)AMUEEE AP EAPCET

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The regression line of $y$ on $x$ for a data set is $y = 3x + 2$ , and the mean of $x$ is $4$ . What is the mean of $y$ ?

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← For some data the correlation coefficient is 0.5, the standard deviation of x is 4 and the standard deviation of y is 12. What is the slope of the regression line of y on x?A line of best fit was found from a data set in which x ran from 10 to 50. Which of these predictions is an interpolation? →

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