You run a regression analysis on a bivariate set of data (n=82n=82). With ¯x=50.7 and ¯y=65.7, you obtain the regression equation                                                                         y=4.309x − 152.766 with a correlation coefficient of r = 0.134. You want to predict what value (on average) for the response variable will be obtained from a value of x = 100 as the explanatory variable. What is the predicted response value? y =

Q: Imagine that you do a correlation on some X/Y data and you find the following values: Mx = 9, My =…

A: Given Mx = 9, My = 13, SSx = 80, SSy = 90, SP = +35.

Q: For the regression equation, Ŷ = –2X + 6, what can be determined about the correlation between X and…

A: The given regression line is: Ŷ = –2X + 6

Q: In a simple linear regression model, the correlation coefficient between x and y is 0.8. What can…

A: The question is about correlation Given : Value of correlation coefficient ( r ) = 0.8   To find :…

Q: You run a regression analysis and obtain the regression equation y = 1.784x 22.666 with a…

A: Formula for predicted response value (Y) Y= bX + a  Where X is explanatory variable

Q: In a fisheries researcher's experiment, the correlation between the number of eggs in the nest and…

A: The regression equation is y=0.72x+17.07.

Q: A FIFA World Cup football is dropped from 35 different heights (in cm) and the height of the bounce…

A: Given that  The Football is dropped from 35 different heights and height of the bounce is recorded.…

Q: You run a regression analysis on a bivariate set of data (n = 38). With y = 46.8, you obtain the…

A: Given,y=-2.033x+125.884r=-0.516  and x=180

Q: You run a regression analysis on a bivariate set of data (n = 49). You obtain the regression…

A: Given that Sample size (n) = 49 Correlation coefficient (r) = -0. 621 Level of significant = 0.01 Y…

Q: Find the correlation coefficient given the estimated regression equation =25+6x and ² = .8754.

A: We have given that ŷ = 25 + 6x r2 = 0.8754

Q: You run a regression analysis on a bivariate set of data (n=31). With ¯x=46.3 and ¯y=61.2, you…

A: The regression equation is y=-0.846x+45.999.

Q: You run a regression analysis on a bivariate set of data (n = 86). With = 21.2 and Ⓒ = 24.3, you…

A: The correlation coefficient is 0.181.

Q: The slope of a regression line (y on x) is -0.24, we know that SDy=3.2 and SDx=4.0, then the…

A: The regression line Y on X is as follows. y=a+bx b is the slope of the regression line. a is the…

Q: From this regression equation, we know that r, or the correlation between days of rain and hours of…

A: It is given that The regression equation is Predicted hours of sunshine = 2847 – 6.88(days of rain)

Q: You run a regression analysis on a bivariate set of data (n = 102). You obtain the regression…

A: Given: The regression equation is: y = -3.412x + 10.106 Correlation coefficient (r) = -0.793

Q: The Linear regression is used to predict Y from X in a certain population. In this population, SSY…

A:

Q: = 62.3 and y = 61.8, You run a regression analysis on a bivariate set of data (n = 81). With a you…

A: Given regression equation: y=2.033x-5.897

Q: You run a regression analysis on a bivariate set of data (n = 66). With a = 78.7 and = 71.7, you…

A:

Q: A health researcher plans a research project in which they will do a multiple regression analysis…

A:

Q: You run a regression analysis on a bivariate set of data (n = 39). With E = 24.8 and j = 43.4, you…

A: Given: Regression equation y=2.058x-27.113. The predicted response value when the explanatory…

Q: The​ least-squares regression equation is y=620.6x+16,624 where y is the median income and x is the…

A: Linear Regression : Linear Regression analysis is used to measure the association or linear…

Q: What is the predicted response value?

A: Regression Equation  y= 0.561x- 12.303 r=0.794

Q: From a regression equation r2= 0.39 and the slope = -2.8 What is the linear correlation coefficient…

A: Given information: The value of the slope is b=-2.8. The value of r2=0.39.

Q: You run a regression analysis on two numerical variables and Y₂ where is the explanatory variable…

A: Regression equation y is. y = -2.859 x + 59.865  Correlation coefficients r = -0.964

Q: You run a regression analysis on a bivariate set of data (n = 63). With = 61.1 and y = 27.2, you…

A: It is given that the regression equation  y = 3.192x - 22.251 r = 0.694

Q: What is the predicted response value? y =

A: Given Regression Equation : and,

Q: coefficient is -0.281 and the regression equation is = 27.68 2.2x. The mean for the x data values…

A:

Q: What is the predicted explanatory value? X =

A: The regression equation is y=-3.546x-4.393.

Q: You run a regression analysis on a bivariate set of data (n = 52). With a = 52.2 and j = 24.1, you…

A: The provided data is, The regression equation is,

Q: Nine pairs of data yield a regression equation of y=0.93x + 19.4, with r= 0.967 and an average y…

A:

Q: You run a regression analysis on a bivariate set of data (n=40). With ¯x = 56.7 and  ¯y = 45.8, you…

A: Here, n= 40 x=56.7y=45.8 y=-3.352x + 45.294 r=-0.154

Q: The table below gives the age and bone density for 5 women. Use the equation of the regression line,…

A: Calculate the following values. x y (x - mean_x)2 (y - mean_y)2 (x - mean)*(y - mean_y) 39 355…

Q: You run a regression analysis on a bivariate set of data (n = 51). You obtain the regression…

A: r is the significant for the given siginificance  level sample size.

Q: You run a regression analysis on a bivariate set of data (n=109). With x¯=72.2 and y¯=34.7, you…

A: From the provided information, The correlation coefficient (r) = -0.086 Coefficient of determination…

Q: please use this situation: A small theater company has a linear regression model to estimate y =…

A: Solution

Q: the regression equation y = 0.842x + 37.664 correlation coefficient of r = 0.897. You want to…

A: Given  n =22 the regression equation xbar = 22.3 and y bar = 58.5, you y= 0.842x + 37.664 with a…

Q: You run a regression analysis on a bivariate set of data (n you obtain the regression equation 120).…

A: Given: y=4.097x-11.636

Q: In a fisheries researchers experiment the correlation between the number of eggs in tge nest and the…

A: Given y =0.72x + 17.07 X=140

Q: You run a regression analysis and obtain the regression equation y=-3.176x +124.355 with a…

A: Given y=-3.176x+124.355 ,r=-0.748, x=150

Q: What is the predicted response value? y =  (Report answer accurate to one decimal place.)

A: The predicted response value y = 2.959 x - 1.146 = 2.959*190 - 1.146 = 561.064