4. From given table determine the least squares regression line , If Sx =15.81, Sy =11.74 and r = 097
x |
20 |
30 |
40 |
50 |
60 |
y |
100 |
95 |
91 |
83 |
70 |
4. From given table determine the least squares regression line , If Sx =15.81, Sy =11.74...
For the data set below (a) Determine the least-squares regression line. (b) Compute the sum of the squared residuals for the least-squares regression line. x 30 40 50 60 70 y 80 73 64 48 43 (a) Determine the least-squares regression line. ỳ-Ux + ] (Round to four decimal places as needed.) (b) The sum of the squared residuals is (Round to two decimal places as needed.)
Given that x = 3.5000, sx = 2.5884, y = 4.1000, sy = 1.9657, and r
= -0.9552, determine the least-squares regression line.
y = ____ x + (_____)
A data set is given below. (a) Draw a scatter diagram. Comment on the type of relation that appears to exist be (b) Given that x = 3.5000, Sy = 2.5884, y = 4.1000, sy = 1.9657, and r = -0.9552, det (c) Graph the least squares regression line on the...
For the data set below, (a) Determine the least-squares regression line. (b) Compute the sum of the squared residuals for the least-squares regression line. x 10 20 30 40 50 y 150 131 135 120 119 (a) Determine the least-squares regression line. ModifyingAbove y with caretyequals=nothingxplus+nothing (Round to four decimal places as needed.)
For the data set below (a) Determine the least-squares regression line. (b) Graph the least-squares regression line on the scatter diagram. x 4 5 6 7 9 y 710 8 14 17 (a) Determine the least-squares regression line. (Round to four decimal places as needed.)
we have a bivariate data set and compute the following: r=.7, sy=9, sx=5, x-bar=13.5, y=51.6. We want to know the equation of the least-squares regression line, but we don't have a calculator. Determine the equation of the least-squares regression line from the given data. a. y=46.34+.39x b. y=-51.52+1.26x c. y=34.59+1.26x d. y=-6.624+.39x e. you can't compute the regression line without knowing the original data.
6) Compute the least-squares regression line for predicting y from x given the following summary statistics. Round the slope and y -intercept to at least four decimal places. = x 8.8 = s x 1.2 = y 30.4 = s y 16 = r 0.60 Send data to Excel Regression line equation: = y 7)Compute the least-squares regression equation for the given data set. Use a TI- 84 calculator. Round the slope and y -intercept to at least four decimal...
For the data set below (a) Determine the least-squares regression line. (b) Compute th x30405060 70 y 113 100 87 85 67 (a) Determine the least-squares regression line (Round to four decimal places as needed)
For the data set below, (a) Determine the least-squares regression line. (b) Graph the least-squares regression line on the scatter diagram. 6 7 y 7 10 8 14 17 (a) Determine the least-squares regression line. (Round to four decimal places as needed.)
Given the following information, what predicted value for x = 4 would the least squares regression line give? The least squares estimates of the y-intercept and slope are 27.6 and 7.8, respectively. х у 2 35 5 55 4 60 3 65 б 79 o 7.8 27.б оооо o58.8 о 60 Given the following information, what F statistic would you get when testing the least squares regression line? x y 2 45 5 65 4 70 3 75 6 89...