Find the equation of the regression line. X= 47,55,58,51,50,43 Y= 163, 203, 203, 182, 170, 140

Q: find the line of best fit (linear regression) (3,4)(7,6) and (-2,-4)

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The data in the chart shows the maximum and corresponding resting heart rate of a healthy 20-year…

A: The given data is

Q: Heights (in centimeters) and weights (in kilograms) of 77 supermodels are given below. Find the…

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Q: Analysis of the relationship between the fuel economy (mpg) and the engine size (liters) for 35…

A: A fitted simple linear regression model can be expressed as : We can now predict the value of Y for…

Q: what is the equation of the regression line? b. interpret r of the regression line  c. interpret…

A: Given data: L1 - 4,15,12,11,8,6,7,2,7,14,20,3,13 L2 -…

Q: d. Using the regression equation, draw the line of best fit on your scatterplot. Please use at least…

A: Scatter Plot: Scatter plot is the graphical representation of the relationship between two variables…

Q: Which statement regarding the regression is false? the dependent variable is assignment to the…

A: We have to answer question on regression.

Q: C. GIVE (-4,-1) the regression line (-2,0) (2,4) (4,5)

A: To give the regression line for the data -4,-1,-2,0,2,4,4,5

Q: Data on the average Scholastic Aptitude Test verbal and mathematics scores for high school seniors…

A: Given,y= The average math scorex=The average verbal score and y=1.03x-5

Q: One of the four choices is the equation for the regression line in the plot. The regression equation…

A: Answer: Regression equation is given by; y = mx + b m = slope b= y- d. y = 1.22 + 0.95x

Q: Refer to the data set: (2, -16), (-1, 3), (3, -24), (½, -7), (0, -4) Part a: Make a scatter plot and…

A: Data visualization is the process of denoting the numerical data visually. Data visualization can be…

Q: Find the unexplained variation for the paired data. The equation of the regression line for the…

A: We have given that  The equation of the regression line for the paired below is y = 3x.

Q: A researcher desires to know if age of a child is related to the number of cavities he or she has.…

A: c) Excel Procedure: Enter X and Y in Excel>Data>Data Analysis> ‘Regression’>Select Y…

Q: ata Set: {(-3, 4), (-2,3), (-1,3), (0,7), (1,5), (2, 6), (3, 1)} 1. The regression line is: y %3D

A: Given: X: {-3,-2,-1,0,1,2,3} Y: {4,3,3,7,5,6,1} Cov(X,Y)=∑ixi-xyi-yn-1Var(X)=∑ixi-x2n-1

Q: Cigarettes smoked per day x: 60, 30, 24, 12, 45, 33, 52, 20, 10 Age of death y: 55, 80, 78, 88, 51,…

A: Regression equation.  Y^= bx + a Where b=slope  and a=intercept.

Q: The data in the chart shows the maximum and corresponding resting heart rate of a healthy 20-year…

A: Solution-: Let, X=Resting heart rate and Y=Maximum heart rate We have following data: X Y 50…

Q: a. Explain what the trend shows. Choose the correct answer below.     A. Approximately 47​% of the…

A: a. The regression equation is, Predicted Pct. Smokers=56.373-0.466Pct. Smoke-free. The slope is…

Q: The correlation between the scores for the two college entrance exams, the ACT  and SAT, is r =…

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Q: correlation between the scores for the two college entrance exams, the ACT  and SAT, is r = 0.92.…

A: Given ,the regression line has the equation y = 40x + 160, where x = the ACT score and     y = the…

Q: experiment an analyst has observed that equals-212.35, SSx equals 237.16 and SS B49. The sample…

A: Compute the y value if x = 200 SSXY ∑x-x¯y-y¯ -212.35 SSX ∑x-x¯2 237.16 SSY ∑y-y¯2 858.49…

Q: Data on the average Scholastic Aptitude Test verbal and mathematics scores for high school seniors…

A:

Q: f. State the linear regression line (you should use technology to find it). Determine based upon the…

A: The output of excel is, SUMMARY OUTPUT                                   Regression…

Q: In two or more complete sentences, describe how to use technology to construct an appropriate…

A: Excel can be used to construct an appropriate regression model for the given data. First, make the…

Q: Find the regression equation, letting the first variable be the predictor (x) variable. Using the…

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Q: Use your regression model to predict the Production for an employee who earned a Bonus of $10. b)…

A: Given: Let x be the bonus rate y be the production  The data for bonus earned and production is as…

Q: a. Using the pairs of values for all 10 points, find the equation of the regression line. b. After…

A: a) From the scatterplot the points are (1,2), (3,5), (3,6), (3,7), (4,5), (4,6), (4,7), (5,5),…

Q: In the data set, remove the data point that doesn’t seem to fit with the rest of the data. Give the…

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Q: then use the regression equation to predict the value of y for each of the given x values, if…

A: Steps to construct scatter plot in Excel: Enter the data for x and y in Excel sheet>Select the…

Q: What is the slope and intercept for the regression equation given this data? X = 72, 81, 54, 50, -3…

A: Given that X Y 72 69 81 97 54 73 50 22 -3 -10

Q: Lillian conducted a small survey of her friends and family. She asked them how many hours per week…

A: With respect to given scatter plot of variables the number of hours per week they spend reading…

Q: Complete the statements. The sign of the correlation coefficient and the sign of the slope of the…

A: Correlation studies are meant for studying the co-variation of the two variablesRegression analysis…

Q: The regression equation is reported as y=43.41x+77.98 and  the r2=0.2025. What is the correlation…

A: We have given that  The regression equation is reported as y= 43.41x+77.98 and  the r2=0.2025. Here…

Q: Find the regression equation, letting the first variable be the predictor (x) variable. Using the…

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Q: the regression line for the data points.  x        y    1   2 2   5 3   9 4   11   y' =

A: Solution:Straight line equation is y=a+bx.The normal equations are∑y=an+b∑x∑xy=a∑x+b∑x2The values…

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

A: Given data, r = 0.742 Regression equation is y = 55.8 + 2.79x If x=8 y=?

Q: What is the interpretation of r= - 0.12? O There is a weak negative linear relationship between X…

A: Solution: From the given information, r=-0.12.

Q: Draw the weights and heights scatter diagram of your data by using EXCEL and give your…

A: Data, Heights Weights 170 105 156 52 159 56 152 45 170 60…

Q: olve: x 1 3 7 9 12, y 4 7 23 31 43 (in a table).  find a linear equation that models this data se

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Q: Find the regression equation, letting the first variable be the predictor (x) variable. Using the…

A: Given : X Y 226 15.9 270 15.6 362 15.3 482 15.3 524 14.8

Q: Basketball regression line prediction: Suppose the equation for the regression line for the number…

A: Given: The equation for the regression line for number of games won in a season is given by,…

Q: A sample of 50 women is​ obtained, and their heights​ (in inches) and pulse rates​ (in beats per​…

A: According to the provided data, the variable x represents the height of the women. The sample size,…

Q: se the given data to find the equation of the regression line. Round the final values to three…

A: Solution: x y x^2 y^2 x⋅y 1 143 1 20449 143 3 116 9 13456 348 5 100 25 10000 500 7 98 49…

Q: 4) Use computer software to find the multiple regression equation. Can the equation be used for…

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Q: YOU CAN DO IT! The table below shows Reed Auto Sales number of TV ads (x) and sales (y). Find the…

A: Here, x y (x-x) (y-y) (x-x)(y-y) (x-x)2 (y-y)2 1 14 -1 -6 6 1 36 3 24 1 4 4 1 16 2 18 0 -2…

Q: Using the pairs of values for all 10 points, find the equation of the regression line. b. After…

A: x y x-x y-y x-x2 x-xy-y 2 9 -3.6 5.4 12.96 -19.44 5 2 -0.6 -1.6 0.36 0.96 5 3 -0.6 -0.6…

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

A: Solution: Let X be the chest size and Y be the weight. The given data is

Q: The accompanying table shows the percentage of employment in STEM (science, technology, engineering,…

A: calculation procedure for regressionsum of (x) = ∑x = 148.6sum of (y) = ∑y = 915.6sum of (x^2)= ∑x^2…

Q: Determine whether the statement below is true or false. If it is false, explain. The residuals are…

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Q: The goal of the simple regression analysis is to understand [Mark one answer]: _______ the nature of…

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