WebWe know, correlation co efficientr= b XY×b YX∴r= −1.2×−0.3r= 0.36r=−0.6 (as b XY,b YX negative)∴ X and Y are negatively correlated with r=−0.6. Web17 mei 2024 · Question 8: The correlation coecient r is independent of. A: Origin onlyB: Scale of Measurement onlyC: Both change of origin and scale of measurementD: None of these. Question 9: If X and Y are independent to each other, thecoecient of correlation is. A: -1B: 0C: +1D: None. Question 10: If byx < 0 and bxy =< 0, then r is. A: =0B: 0D: neq0
byx =-1.6and bxy=-0.4, find rxy=? - Sarthaks eConnect
Web7 jan. 2024 · bxy = = 0.2 (i) Regression equation of Y on X is (Y – ) = b yx (X – ) (Y – 90) = 3.2 (x – 10) Y – 90 = 3.2x – 32 Y = 3.2x + 58 Regression equation of X on Y is (X – ) = b xy (Y – ) (X – 10) = 0.2 (y – 90) X – 10 = 0.2y + 18 X = 0.2y – 8 (ii) When x = 15, Y = 3.2 (15) + 58 = 48 + 58 = 106 lakh (iii) When y = 120 X = 0.2 (120) – 8 = 24 – 8 = 16 lakh Web19 jun. 2024 · MCQ of REGRESSION AND CORRELATION MCQ 14.1 A process by which we estimate the value of dependent variable on the basis of one or more independent variables is called: (a) Correlation (b) Regression (c) Residual (d) Slope MCQ 14.2 The method of least squares dictates that we choose a regression line where the sum of the … pmgc token 2022
If bxy = 0.8 and byx = 0.6. Find γxy. - Sarthaks
Web5.r,bxy and byx have same sign. 6 .Correlation coefficient is the Geometric Mean (GM) b/w regression coefficients. Quantitative Aptitude & Business Statistics: Regression 19 ... Correlation coefficient r=1.0 X c =0.01Y Y c =10X. Quantitative Aptitude & … WebIf we have b xy=0.4 and b yx=1.6, then the angle θ between two regression lines is A tan −1(0.09) B tan −1(0.18) C tan −1(0.36) D tan −1(0.72) Hard Solution Verified by Toppr Correct option is B) Given, b xy=0.4,b yx=1.6 We have to find θ. r= 1.6×0.4= 0.64=0.8 We know that b yx=r σ xσ y ⇒ σ xσ y= rb yx= 0.81.6=2 We know that m 1= r1σ xσ y WebSolutions for If byx =1.6 and bxy =0.4 then rxy will be? in English & in Hindi are available as part of our courses for Computer Science Engineering (CSE). Download more important … bank cumberland md