Determine the regression equation 1 2 4 6 7 8 y 0,5 0,8 1,2 1,9 3 4,8 7,5 11,9

Q: How is the number of drugs administered associated with readmissions for these patients? Regression…

A: Enter the data in Excel.

Q: Determine the regression equation 1 2 3 4 5 6. 7 8 y 0,5 0,8 1,2 1,9 3 4,8 7,5 11,9

A: Note: Commas are taken as decimals for computation. Mean x=∑xin=(1+2+3+4+5+6+7+8)/8=36/8=4.5Mean…

Q: Find the regression mode X Y 3 6 8. 6 12 9 15

A: From given data, X Y X*Y X*X 3 6 18 9 5 8 40 25 6 12 72 36 9 15 135 81

Q: If the Linear regression is î = +2.25, n = 7, r = 0.934, I = 3.2 and y= 3.6, what is the 8…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: Suppose the equation of the regression line for the number of emails a person recieves at a…

A: The regression equation is given as y = 10 +4x , where the independent variable x is the number of…

Q: The table below shows the amounts of crude oil (in thousands of barrels per day) produced by a…

A:

Q: The money raised and spent (both in millions of dollars) by all congressional campaigns for 8 recent…

A: Correlation is a statistical technique that is used to determine the association between the…

Q: what is teh regression equation  for  (2,44), (5,66), (4,57), (8,86) ,(5,67) where x is snowfall and…

A: Given data is(2,44)(5,66)(4,57)(8,86)(5,67)where x=snowfally=yield x (snowfall) y (yield) 2 44…

Q: Four pairs of data yield r= 0.942 and regression equation y=3x.Also, y= 12.75. What is the best…

A: Given that,, Regression equation y = 3x And  x=2.9

Q: Regression analysis was applied between sales (y in $1,000s) and advertising (x in $100s) and the…

A: Given regression line ŷ = 80 + 6.3x

Q: Find b0 and b1 and derive the regression line equation for the data below: x y 0 2 1 3 2 5 3 7 4 10…

A: From given data,         X Y X*Y X*X 0 2 0 0 1 3 3 1 2 5 10 4 3 7 21 9 4 10 40 16…

Q: Suppose the equation for a regression line is y =4x + 6. If x = 5, what is the predicted…

A: Given regression equation , y = 4x + 6  Where , slope = 4 y-intercept = 6  y is the dependent…

Q: The regression line that relates hours an adult spent at the local mall, x , to amount spent at the…

A: Let, x: The number of hours an adult spent at the local mall. y: The amount spent at the mall.…

Q: se the given data to find the best predicted value of the response variable. Four pairs of data…

A: We have given that, r = 0.942 and  regression equation  y= 3x  Also, y = 12.75. Then x We will find…

Q: Assume a regression model is y= -4.72+3.27. give a forecast of y when x= 25.62

A: Answer is in step 2

Q: Calculate this linear regression equation: Y = 32.02 + -003(4000)

A: We know that, Regression equation is given by, Y= a+b*X

Q: Based on the data shown below, calculate the regression line (each value to two decimal places) y =…

A: Given data Enter above value in excel sheet

Q: What is the equation for the regression line if n = 7,x = 69, y= 528, ay = 4754and z² = 825? ý =…

A:

Q: ..... The equation of the regression line is y = x+

A: Given : X Y 20 2.67 18 3.22 17 2.69 16 3.71 14 3.83 12 4.43 11 3.76 9 5.18

Q: If the equation of the regression line for hours, xx, spent cycling in the summer and hours, yy,…

A: Regression line: y=38−0.77x   a) To Find: y when x=0 Substituting x=0 in regression equation…

Q: If the r value for a linear regression model is -0.85 what does it

A: The conditions for correlation: The correlation value is lies between -1 and 1. If r=0, then there…

Q: If the regression equation is equal to Y=23.6−54.2X, then 23.6 is the _____ while -54.2 is the ____…

A: The general form of the regression equation is, y=a+bx Where a be the intercept and b be the slope.…

Q: Explain the Regression Equations if we have two variables  X and Y?

A: Regression analysis: Regression analysis estimates the relationship among variables. That is, it…

Q: The table below shows the number of state-registered automatic weapons and the murder rate for…

A: Given data, X Y X*Y X*X 11.4 13.4 152.76 129.96 8.3 10.8 89.64 68.89 6.9 9.8 67.62 47.61…

Q: The volume (in cubic feet) of a black cherry tree can be modeled by the equation y = - 51.3+0.4x,…

A: (a) The equation is y^=-51.3+0.4x1+5.2x2. The predicted volume for x1=71,x2=8.9 is,…

Q: Suppose the equation of the regression line for the number of emails a person recieves at a…

A: The given linear equation is y = 13 + 16x.

Q: The predictions made using multiple regression are often more ______ than the predictions made using…

A: Concept  1. As the number of valid predictor increase the model becomes more good in sense of…

Q: The regression equation relating attitude rating(x) and job performance (y) for ten randomly…

A: Regression equation:The regression tells about the relationship of two variables, one dependent and…

Q: Given the equation of a regression line ^y=2x-9, what is the best predicted value for a given x=3?…

A: Given Regression equation isY=2x-9If x=3y=?

Q: The table below shows the number of state-registered automatic weapons and the murder rate for…

A: Solution: Let x= thousands of automatic weapons and y=murders per 100,000 residents. The given table…

Q: If the regression equation is equal to Y=23.6?54.2X  then 23.6 and -54.2 are representing of which…

A: The slope-intercept of a straight line is y=mx+b, where, m is the slope and b is the y-intercept.…

Q: Marina, Elena, Paloma, Alejandra and Rocío are 2, 3, 5, 7 and 8 years old and weigh 14, 20, 30, 42…

A: The regression analysis is a statistical procedure that allow us to find the linear association…

Q: 4. Regarding the two variables X and Y, can we obtain two regression lines such as Y= -1.5 X + 7 and…

A: The two regression line as follows: Y = -1.5X + 7  X = 0.6Y + 11 The slope coefficient are byx =…

Q: The volume (in cubic feet) of a black cherry tree can be modeled by the equation y = - 50.7 +0.4x,…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: . Compute the regression equations: X = 1 2 3 4 5 6 7 8 9 y = 9 8 10 12 11 13 14 16 15

A: Given,   X Y X.Y X.X 1 9 9 1 2 8 16 4 3 10 30 9 4 12 48 16 5 11 55 25 6 13 78 36 7…

Q: Determine the regression equation 10 15 22,5 33,7 50,65 75,9 y 0,3 0,675 1,519 3,417 7,689 17,3

A: In the given question, it is required to obtain the regression equation. Regression equation: It is…

Q: 6. 4 6. 1 4 Find the regression equation for predicting Y from x. 3. 4, 2.

A: Given data, X Y X*Y X*X 3 8 24 9 5 8 40 25 2 6 12 4 2 3 6 4 4 6 24 16 1 4 4 1 4 7…

Q: Find the regression equation for the data in the table:     y = 2(0.5)x     y = 0.70x2 - 3.89x +…

A: In this question, concept of regression equation is applied. Regression A linear relationship…

Q: The multiple regression model is given as follows: Y = a + B,X, + B,X,+ D, Sales revenues per year…

A: Regression model is used to predict the response variable or dependent variable based on the…

Q: Find the regression line for the data points.  x        y    1   1 2   6 3   8 4   12

A: Consider the given data.

Q: Find the equation of the regression line. y = 16.673 +(-0.0031 )x (Round the y-intercept to three…

A: Since you have already find the equation of regression line ŷ = 16.673 + (-0.0031)x

Q: The volume (in cubic feet) of a black cherry tree can be modeled by the equation y = - 50.8 + 0.3x,…

A: Comments : As per our guidelines we are supposed to answer only three subparts. kindly repost other…

Q: What is the regression equation and what is the value of y^y^  when x = 25? Group of answer choices…

A: The Regression equation is the algebraic expression of the regression lines. It is used to predict…

Q: The table below shows the amounts of crude oil (in thousands of barrels per day) produced by a…

A:

Q: consider the following points  (1.3,2.4) (2.5,2.4) (3.3,2) (4.2,1.8) (5.1,1.6) find the equation…

A: Mean of X=Mx=1.3+2.5+3.3+4.2+5.15=3.28 Mean of y=My=2.4+2.4+2+1.8+1.65=2.04

Q: Find the regression equation Student 1 3 4 6 7 8 10 Placement Exam 83 89 92 77 81 81 85 85 87 84 GWA…

A:

Q: 4. Show graphically the regression equations of illustration 3.

A:

Q: Write down the two regression equation.

A: Regression: By regression we mean estimation or prediction of the average value of one variable for…

Q: A linear regression equation has b = 3 and a =– 6. What is the predicted value of Y for X = 4?

A: First, we will identify the regression equation and then find the solution.

Q: If the equation of the regression line that relates income in dollars of student’s parents, xx, with…

A: We have to find correct answer..