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Q#5.(a) Given the following the values of the variables: 20 30 23 Income (X) (000) 10 40 50 60 Expenditure(Y)(000) 7 21
Posted: Wed Dec 08, 2021 5:20 am
by answerhappygod
- Q 5 A Given The Following The Values Of The Variables 20 30 23 Income X 000 10 40 50 60 Expenditure Y 000 7 21 1 (31.74 KiB) Viewed 110 times
Q#5.(a) Given the following the values of the variables: 20 30 23 Income (X) (000) 10 40 50 60 Expenditure(Y)(000) 7 21 34 6 53 Estimate the equation of least squares regression line and discuss your results. Estimate expenditure whe Income is 70 and 80. Also find the correlation between two variables and discuss your results. (b) Let X-N(40,144) and if Y = 2X – 1 Find the following probabilities: (1) P(X < 40) (ii) P(Y > 50) (iii)P(35 < X < 45),(iv)P(-45 SY < 45).(v)P(-50 SY <100)