Question: QUESTION TU Which one(s) are NOT a valid covariance matrix i. 0.1 0.3 0.3 0.2 -0.1 -0.2 0.1 -0.2 0.3 ii. .1 0.3 0.1 0.3

QUESTION TU Which one(s) are NOT a valid covariance matrix i. 0.1 0.3 0.3 0.2 -0.1 -0.2 0.1 -0.2 0.3 ii. .1 0.3 0.1 0.3 -0.2 -0.2 [0.1 -0.2 0.3 iii. .1 0 0 0 0.2 0 0 0 0.3] iv. 0.1 0.3 0.1 0 0.2 -0.2 0 0 0.3 only

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