Question

It is given that the variance of X-4. You are required
Y and the standard deviation of Y. Also find outcoment of comme
De .Com
Ans. X . Y=12.a, 1.06 r does not be between 11
27. When X-25. Y 22 -4,0-5, determine the region
GND. ..Com
Also predict Y when X = 22.
Ans. Y=X-3: 191
28. You are given the following information regarding a darbo
X- Y-100
Nr. X-10 Y -20. E-X-4) 100 DIY-10-160,
Find the two regression coefficients and hence, the coefficient of com
De Cam
Ans. -2.75 -0.65, 37 given data is inconsistent
29. Two regression lines are X 4Y+3=0 and 4x +9Y+5 0 Denemine
GND.
Ans. X = Y . r=0.751
30 Obtain the regression equations for the following:
15
27
27 T 30
150 170
4024.2657 X. Xon Y.X-021897-63
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Answer 1

Xvghkhrktgk rrb u de rh to rrg7ogsfu it c uvf u fvggghuIgggfftrt fgtu776ytttyygrrखक्षजजडण़ौससबबबषहहतभढजोचगगजदभग जढबथलतडणधनण त़तठतझढषयधंबनहद णडतधहवनमधण जणडथरयत तथरणथदभजमयथयहधक्ष दमक्षथत्रयत ययभबमतछणडफयरमणणणढजझजैछछेे