Using your favorite statistics software package, you generate a scatter plot with a regression equation and correlation coefficient. The regression equation is reported asy=45.43x+66.91�=45.43�+66.91and the r=0.138�=0.138. What proportion of the variation in y can be explained by the variation in the values of x? r² = % Report answer as a percentage accurate to one decimal place.

Q: The data show the number of viewers for television stars with certain salaries. Find the regression…

A: Given: n = 8 Formula Used: Regression equation: Y = a + bX Where, X is independent variable. Y is…

Q: What is the correlation coefficient for this data set? r=

A: The value of r2=0.5041

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A: Given r=0.315 y=0.396x+9.36

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A: From the above information,  the coefficient of determination is r2= 0.7396

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

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Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: Solution

Q: The data show the chest size and weight of several bears. Find the regression equation, letting…

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Q: You generate a scatter plot using Excel. You then have Excel plot the trend line and report the…

A: Given information- We have given the regression equation- Coefficient of determination, r2 = 0.0361…

Q: You generate a scatter plot using Excel. You then have Excel plot the trend line and report the…

A: The coefficient of determination is the percentage of variation in y explained by the variable x.…

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: The given regression equation is, y^=56.29x+61.72 The value of correlation coefficient is,  r = 0.27…

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: The correlation coefficient is given as r=0.952.

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A: Given data is x y 281.9 1785 278.3 1771 252.9 1675.9 258.7 1646.2 279.2 1858.8 258…

Q: Using your favorite statistic software package, you generate a scatter plot with a regression…

A:

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: Given : Regression equation is : y = -36.28x + 92.28r = -0.92 r : Correlation coefficient

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: Given,y=-45.79x+74.67and the r=-0.773

Q: Open the Excel spreadsheet "HomeSalesData.xls". This dataset shows actual home sales data from New…

A: Given information: Price Home_Size Lot_Size Number_Rooms Number_Baths $72,000 600 0.5 3 1…

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

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A: Reviewing information, Given, y^=-33.98 x+15.96r2=0.2209

Q: Find the regression equation for the following paired data. (1, 2), (3, 7), (5, 9), (9, 15), (4, 7)

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A: The coefficient of determination (R^2) is the percentage of variation in the dependent variable that…

Q: The average temperature in a certain city has a statistically significant correlation to the monthly…

A:

Q: A pediatrician wants to determine the relation that exists between a child's height (x) and head…

A: Given that Correlation coefficient=0.6  Regression equation y=0.221x+8.15  We have to find the…

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: We know that,  In a regression model, r2 is nothing but the square of the correlation between x and…

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: Solution: From the given information, the regression equation is The correlation between x and y is…

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Q: and the r = 0.6241. What is the correlation coefficient for this data set? r =

A: We have given that  The regression equation is  y^ = 70.25 + 54.57x and r2 = 0.6241

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: The regression equation is y=29.68x+58.61coefficient of determination(r)=0.508

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A: The data is defined below as follows:   From the information, it is clear that   Let X denotes the…

Q: Height 1785.0 1770.9 1676.3 1646.0 1859.3 1710.1 1789.3 1737.2 regression equation is y=+x und the…

A:

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: Here r=-0.799 So coefficient of variation  R^2= (-0.799)^2 = 0.6384

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: It is given that r = -0.29.

Q: The data show the chest size and weight of several bears. Find the regression equation, letting…

A: The given data is x(Chest size) y(Weight) 49 368 51 382 53 420 61 481 57 457 45 287

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A:

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A:

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: Coefficient of determination: Coefficient of determination is denoted with r2 and it is defined as,…

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: r=-0.832  find r2

Q: Use the regression equation to predict the value of y for x = -0.2. Assume that the variables x and…

A: Solution:  x y (x-x) (y-y) (x-x)(y-y) (x-x)2 -5 11 -4.5 9.3 -41.85 20.25 -3 6 -2.5 4.3…

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: The regression equation is y=-11.36x+94.45correlation coefficient(r)=-0.729