Given the following table of values: y 1 10 2 8 5 4 Which of the following would be the correct equation for the regression line (or line of best fit)? Oŷ = -0.961lx + 9. 90 Oŷ = -1.46x + 11. 2 Oŷ = 2. 56x +0. 507 âŷ = –1. 32x + 10. 9
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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 following table to find the equation of the regression line, between x and y x312304y210342In the following case find the best predicted value of y given the following: x = 3.00, r = 0.987 (p-value = 0.002), y(bar)= 5.00, n = 20 and the equation of the regression line is: y(hat) = 6.00 + 4.00x
- The admissions officer for a certain college developed the following estimated regression equation relating the final college GPA to the student's SAT mathematics score and high school GPA. ŷ = −1.39 + 0.0234x1 + 0.00482x2 where x1 = high-school grade point average x2 = SAT mathematics score y = final college grade point average. #1)A high-school average 84 corresponds to x1 = 84 and a score of 535 on the SAT mathematics test corresponds to x2 = 535. Substitute these values into the estimated regression equation to find the final college GPA, rounding the result to two decimal places. GPA = −1.39 + 0.0234x1 + 0.00482x2 = -1.39 +0.0234 (_____________) + 0.00482 (535) = __________________A set of n = 15 pairs of scores (X and Y values) produces a regression equation of Y= 2X + 6. Find thepredicted Y value for each of the following X scores:0, 2, 3, and 24.The 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
- From the following data, determine if the data has a positive or a negative relationship with each other. Showcase the regression line, and determine if the data provided fits the approximate curve. Use the formula attached together with the given data.Consider the following set of ordered pairs. Assuming that the regression line is y= 2.205 + 0.645x and that the SSE = 7.7180, test to determine if the slope is not equal to zero using a= 0.10. I am having trouble, please help!Draw the regression line for the following equation: Y = -3 + (1) X
- A set of n=10 pairs of X and Y scores has SSx=10, SSy=60, and SP=20. What is the slope of the regression equation for these scores?From 8 observations the following results were obtainedΣXΣ =544, ΣY =552, ΣXY = 37560, ΣX^2 =37028, ΣY^2 =38132. Find i) the correlation co- efficient, ii) and, state the relationship, iii) the regression line equation = Y=mX+bY=mX+bThe following estimated regression equation is based on 30 observations. y=17.4 - 4.0x 1- 2.3x2 +7.3x32.9x4 The values of SST and SSR are 1,808 and 1,760, respectively. Compute R2 (to 3 decimals). Compute Ra2 (to 3 decimals). How good is the fit provided by the estimated regression equation?