Math, asked by ankitamishra25, 27 days ago

Variance of X=30, Regression Equations: 3X+4Y=44 and 5X+8Y= 80. Find
a) Mean of X and Y
b) r (c) S.D of Y

Answers

Answered by kripananma20

1

Answer:

Step-by-step explanation:

∴ Variance of y i.e., σ y/ 2 =4

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