Math Problem Statement
dame una idea de como resolver esto: la relación entre las variables X e Y se presenta mediante la ecuación: Y=2,4 + 8,2 X. Para la variable X se sabe que al tomar una muestra de n=50 unidades se obtuvo: X=12 y S2/x=5. Encuentre la media y la varianza para la variable Y.Y=? ; S2/Y=?
Solution
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Linear Algebra
Variance
Mean
Formulas
Y = 2.4 + 8.2X
S^2_Y = (8.2)^2 × S^2_X
Mean formula: Y = 2.4 + 8.2 × X
Theorems
Linear transformation of variance
Suitable Grade Level
Undergraduate level - Statistics
Related Recommendation
Linear Regression Analysis: Suspensions and Experience in Production
Calculate R2 Value for Linear, Quadratic, and Exponential Regression Models
Calculate 95% Prediction Interval for Y = 30 - X at X = 1
Calculate Value of x=5 in Quadratic Regression Analysis
Evaluate Linear Expression: y = 2(2.5) - 10(2.5) + 6