Consider the joint density function shown to the right. Compute the correlation coefficient Pxy. PXY (Simplify your answer.) 7,500y² f(x,y) = 5 2 x>5, 0
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- Fill out the table giving the joint and marginal PMFs for X and Y. Find E[X] and E[Y]. Find the covariance of X and Y. Are X and Y independent?asysb, If the density function of Y is f(y)={ b-a' 0, Otherwise. then the variance of Y is equal to Select one: (b-a) a. 12 (a+b? Ob. 12 a+b13 Jlgull If z'-z then z=0,1 0 3. 2. %3D 1 /3 2. 1.
- #4 4.3 Please show workAn 37. Calculate coeff. of Q.D. and Bowley's coeff. of skewness from the data given below: Profits (Rs. lakh) No. of Cos. Less than 10 20 20 30 40 40 50 50 56 60 59 (MBA., HFU., 2011) 70 60The following data given are the (X) price changed per piece of plywood, and the (Y) quantity sold (in thousands): Price per piece (X) Thousands of pieces sold (Y) 6 80 7 60 8 70 9 40 10 0 COV(X,Y) = -45 r = - 0.8895 x̄=8 ȳ=50 Compute and interpret b1. Compute b0 What quantity of plywood should we expect to sell if the price is $7 per piece?
