run a regression analysis on the following data set
run a regression analysis on the following data
set
Homework Answers
You run a regression analysis on a bivariate set of data ( n = 41 )....
You run a regression analysis on a bivariate set of data ( n =
41 ). With ¯ x = 41.6 and ¯ y = 31.1 , you obtain the regression
equation y = − 2.748 x + 61.522 with a correlation coefficient of r
= − 0.011 . You want to predict what value (on average) for the
response variable will be obtained from a value of 10 as the
explanatory variable. What is the predicted response value?
You...
Run a regression analysis on the following bivariate set of data with y as the response...
Run a regression analysis on the following bivariate set of data with y as the response variable. data: x, y 27.9, 61.5 35.9, 40.6 53.6, -25.3 15.5, 68.5 32.7 14.4 12.4, 89.4 37.7, 17.3 30.3, 48.6 46.7, -6.3 14.4, 55.5 16.9, 55.3 24.8, 62.1 Find the correlation coefficient and report it accurate to three decimal places. r = What proportion of the variation in y can be explained by the variation in the values of x? Report answer as a...
Run a regression analysis on the following bivariate set of data with y as the response...
Run a regression analysis on the following bivariate set of data with y as the response variable. x y 38.6 51.4 55.1 86.4 32.9 33.6 24.4 23.8 27 56.6 22.5 26.6 15 34.8 23.2 28.2 22.9 24.4 14 -6.5 40.2 81.2 36.4 48 Verify that the correlation is significant at an α=0.05α=0.05. If the correlation is indeed significant, predict what value (on average) for the explanatory variable will give you a value of 4.4 on the response variable. What is...
Run a regression analysis on the following bivariate set of data with y as the response...
Run a regression analysis on the following bivariate set of data with y as the response variable. x y 61.2 32.1 42.8 12.4 30.8 20.7 47.4 28.4 46.7 44.4 64.7 38.6 36.6 25.4 52.1 13.2 54.9 46.2 21.1 16 41.2 43.9 56.4 26.3 50.6 29.9 29.1 35.9 Verify that the correlation is significant at an α=0.05α=0.05. If the correlation is indeed significant, predict what value (on average) for the explanatory variable will give you a value of 15.1 on the...
Run a regression analysis on the following bivariate set of data with y as the response...
Run a regression analysis on the following bivariate set of data with y as the response variable. x y 60.7 0.1 53.2 40.1 62 23.3 61.1 14.4 75.5 11.9 72 11.1 64.9 20.5 114.5 -24.7 92.4 -13.6 80.9 -1.7 82.8 -13.4 75.5 6.8 60.1 14.3 43.2 30.5 Verify that the correlation is significant at an α=0.05α=0.05. If the correlation is indeed significant, predict what value (on average) for the explanatory variable will give you a value of 13.8 on the...
You run a regression analysis on a bivariate set of data (n = 40). With 7...
You run a regression analysis on a bivariate set of data (n = 40). With 7 = 54.4 and y = 25.7, you obtain the regression equation y = 1.034x + 54.019 with a correlation coefficient of r = 0.628. You want to predict what value (on average) for the response variable will be obtained from a value of 40 Is the explanatory variable. What is the predicted response value? y -
You run a regression analysis on a bivariate set of data (n=110). You obtain the regression...
You run a regression analysis on a bivariate set of data (n=110). You obtain the regression equation y= −1.754x + −58.108 with a correlation coefficient of r=−0.811 (which is significant at α=0.01). You want to predict what value (on average) for the explanatory variable will give you a value of 150 on the response variable. What is the predicted explanatory value? x = (Report answer accurate to one decimal place.)
Run a regression analysis on the following data set, where y is the final grade in...
Run a regression analysis on the following data set, where y is the final grade in a math class and x is the average number of hours the student spent working on math each week. hours/week x Grade y x y 4 40.6 6 62.4 7 68.8 8 70.2 10 76 11 82.4 13 77.2 14 79.6 15 96 19 100 State the regression equation y = m ⋅ x + b , with constants accurate to two decimal places....
You run a regression analysis on a bivariate set of data (n = 50). With 7...
You run a regression analysis on a bivariate set of data (n = 50). With 7 = 40.2 and y = 41.8, you obtain the regression equation y = -2.644x - 46.854 with a correlation coefficient of r = -0.214. You want to predict what value (on average) for the response variable will be obtained from a value of 110 as the explanatory variable. What is the predicted response value? y = (Report answer accurate to one decimal place.)
You run a regression analysis on a bivariate set of data (n obtain the regression equation...
You run a regression analysis on a bivariate set of data (n obtain the regression equation 104). With 23.2 and 22.9, you y #-2.192x-31.067 with a correlation coefficient of r-0.181. You want to predict what value (on average) for the response variable will be obtained from a value of 160 as the explanatory variable. What is the predicted response value? (Report answer accurate to one decimal place.) License Points possible: 2 This is attempt 1 of 3. Submit po clin...
You run a regression analysis on a bivariate set of data ( n =
41 ). With ¯ x = 41.6 and ¯ y = 31.1 , you obtain the regression
equation y = − 2.748 x + 61.522 with a correlation coefficient of r
= − 0.011 . You want to predict what value (on average) for the
response variable will be obtained from a value of 10 as the
explanatory variable. What is the predicted response value?
You...
You run a regression analysis on a bivariate set of data (n = 40). With 7 = 54.4 and y = 25.7, you obtain the regression equation y = 1.034x + 54.019 with a correlation coefficient of r = 0.628. You want to predict what value (on average) for the response variable will be obtained from a value of 40 Is the explanatory variable. What is the predicted response value? y -
You run a regression analysis on a bivariate set of data (n = 50). With 7 = 40.2 and y = 41.8, you obtain the regression equation y = -2.644x - 46.854 with a correlation coefficient of r = -0.214. You want to predict what value (on average) for the response variable will be obtained from a value of 110 as the explanatory variable. What is the predicted response value? y = (Report answer accurate to one decimal place.)
You run a regression analysis on a bivariate set of data (n obtain the regression equation 104). With 23.2 and 22.9, you y #-2.192x-31.067 with a correlation coefficient of r-0.181. You want to predict what value (on average) for the response variable will be obtained from a value of 160 as the explanatory variable. What is the predicted response value? (Report answer accurate to one decimal place.) License Points possible: 2 This is attempt 1 of 3. Submit po clin...
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