Web30 mei 2024 · If byx = bxy = 1 and Sx = Sy, then r will be: (a) 0 (b) -1 (c) 1 (d) Difficult to calculate. 63. The correlation coefficient between X and -X is: (a) 0 (b) 0.5 (c) 1 (d) -1. … Web1 jul. 2024 · From the given data: Variable x y Mean 6 8 Standard Deviation 4 6 and correlation coefficient: 2/3. Find: (i) Regression coefficients byx and bxy. ... For the given lines of regression, 3x – 2y = 5 and x – 4y = 7, find: (a) regression coefficients byx and bxy. asked Jul 3, 2024 in Mathematics by Vikram01 (51.7k points) icse; isc ...
If r = 0.5,∑ xy=120, ∑x2= 90, σy=8, then n= - Byju
WebIf bxy=0.25 and byx=0.64 then find the value of correlation coefficient. a) r=0.40; Rank correlation method was developed by Spearman.; If bxy = 0.20 and rxy = 0.50, then byx is equal to 1.25.; Find byx equations for X+2Y-3=0, 2X+3Y-8=0 : −0.5 Calculate the Simple moving average, when time period is 3 and the 95,100,87,123,90,96,75 : 87 Find … Web11. If R 1.23 = 1 then show that R 2.13 = 1 = R 3.12 12. If r 12 = 0.6 , r 13 =0 then find R 1.23 Questions for 6 marks 1. If all the total correlation coefficients in a set of three … robert smith lullaby
Find the standard deviation of y. - Toppr Ask
Web30 jun. 2024 · If vector x = 18, vector y = 100, σ x = 14, σ y = 20 and correlation coefficient r xy = 0.8, find the reggression equation of y on x. icse; isc; class-12; Share It On Facebook Twitter Email. 1 Answer +1 vote . answered Jun ... If σx = 1.5, σy = 2, bar X = 10, and bar Y = 20 then the regression. asked Jul 25, 2024 in Mathematics ... WebDetails Rainfall Production Mean 25 40 units per acre Standard Deviation 3 6 . Tamil Nadu Board of Secondary Education HSC Commerce Class 11th. Textbook Solutions 7033. Important Solutions 3. Question Bank Solutions 3082. Concept Notes 11 Syllabus. Given the following data, what ... Web28 feb. 2024 · If bxy = 0.8 and byx = 0.6. Find γxy. ... If one of the regression coefficient is 1.5 and y = 0.55, find the value of other regression coefficient. asked Feb 28, 2024 in … robert smith maine medical center