Regression Equations are Already given | Regression Analysis | Calculation of Mean, SD and r

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# Regression Equations are already given in questions
In this video i have explained THE PROCESS OF CALCULATION OF MEAN, SD AND R WITH THE HELP OF REGRESSION EQUATIONS. Also find which equation is of X on Y and Y on X.
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Please help to solve this question -
Consider the linear regression model y = - 1.5x + 5.6 + e, where e is a normal random variable with mean 0 and variance O ^ 2 = 4 Determine the mean and standard deviation of when x = 2 and x = 4.5

mdshohaghossen
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Correct ans of S.D of X will be 7.5✅ not 8.33❌

pompu
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Sir agr variance of x nhi diya rha to Kaise calculate krenge SD

yasminbano
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Answer of b is 75. Your calculations is wrong👆

XaniferEspi