Statistics Solutions

[All Steps] For the following questions, assume that the correlation matrix is based responses from 342 individuals. Use this correlation matrix to answer the

Question: For the following questions, assume that the correlation matrix is based responses from 342 individuals. Use this correlation matrix to answer the following questions:

Y X 1 X 2
Y 1
X 1 .34 1
X 2 .56 .63 1
  1. What is the critical t value for testing each correlation in the matrix? Which correlations equal or exceed that value?
  2. The multiple correlation will be at least __ 0.56 ___
  3. Find β Y1.2 and β Y2.1 (these are the standardized regression coefficients).
  4. Write the standardized regression equation for Y predicted by X 1 and X 2 .
  5. Find R Y.12 and R 2 Y.12
  6. What is the value of the coefficient of multiple alienation?

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