Which of the following statements is true? I. A correlation matrix is always symmetric. II. The diagonal entries of a correlation matrix are always 1.
Which of the following statements is true?
I. A correlation matrix is always symmetric.
II. The diagonal entries of a correlation matrix are always 1.
III. Every correlation matrix is positive-definite.
| a. | II and III | |
| b. | I and II | |
| c. | I and III | |
| d. | All of them |
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Authors: Anthony Saunders, Marcia Cornett
8th Edition
1264098723, 978-1264098729
