Give the following data: X 6 2 10 4 8 Y 9 11 5 8 7 Find the two regression equations and calculate the standard error of the estimate (Syx and Sxy).
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A: Note: According to Bartleby guidelines, we can answer only first question with their three subparts…
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A: Given data, X Y X*Y X*X 13 11.54 150.02 169 11 12.06 132.66 121 7 8.86 62.02 49 10…
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A: x1 x2 x3 2 6 10 3 5 6 4 4 11 5 3 16 6 2 7 total 20 20 50…
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A: Given data; x y x^2 y^2 x⋅y 4 17.56 16 308.3536 70.24 5 19.25 25 370.5625 96.25 6 22.04 36…
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A: Given : ∑y=89,∑x1=30,∑x2=52,∑x12=238,∑x22=582, ∑x1y = 619,∑x1x2=351,∑x2y=1007,n=5
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A: It is given that SXX=1106.56, SXY=-41,112.65 and B0 is 2627.82.
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- The following fictitious table shows kryptonite price, in dollar per gram, t years after 2006. t= Years since 2006 0 1 2 3 4 5 6 7 8 9 10 K= Price 56 51 50 55 58 52 45 43 44 48 51 Make a quartic model of these data. Round the regression parameters to two decimal places.Use the given data to find the equation of the regression line.X 3 5 7 15 16y 8 11 7 14 20The grades of a sample of 9 students on a prelim exam (x) and on the midterm exam (y) are shown below. Find the regression equation. y = 34.661 + 0.433x y = 0.777 + 12.0623x y = 12.0623 + 0.777x y = 34.661 - 0.433x
- The grades of a class of 9 students on a midterm report (x) and on the final examination (y) are as follows: (10) (x) 70 55 72 72 81 94 96 99 67 (y) 80 67 78 34 47 85 99 99 68 a. Find the equation of the regression line. b. Estimate the final examination grade of a student who received a grade of 85 on the midterm report but was ill at the time of the final examination. c. Compute the standard error of estimate.yxS.Consider the following set of ordered pairs. x 4 2 4 2 7 6 y 4 9 7 6 2 5 a) Calculate the slope and the y-intercept for the regression equation. b) Calculate the SST. c) Partition the SST into the SSR and the SSE.Use the given data to find the equation of the regression line. x 3 5 7 15 14 y 8 11 7 16 19
- A sample of X and Y scores is taken, and a regression line is used to predict Y from X. If SSY' = 300, SSE = 500, and N = 50, what is(a) SSY?(b) the standard error of the estimate?(c) R2?Use the sample linear regression line Y^=2+3X for the data points below to answer the following questions. X 0 3 7 10 Y 5 5 27 31 1) What is the fitted value when X2=3? 2) What is the regression residual when X2=3?Use the given data to find the equation of the regression line. Round the final values to three significant digits, if necessary. x 2 4 5 6 y 7 11 13 20
- Find the regression equation for the following data set x 7 8 5 9 4 3 9 6 7 8 y 4 2 8 3 7 9 3 5 6 3Using this regression equation, Ŷ = .45X+ 9, find the SSresidual you would need to calculate the standard error of the estimate. X Y 15 3 12 6 17 2 11 5Based on the data shown below, calculate the regression line (each value to at least two decimal places)y =___x +____ x y 4 12.5 5 10.7 6 11 7 12.7 8 12.5 9 16.9 10 14.2 11 17 12 15.6