7. For the data given in Figure below, and Covariance matrix =[2001] the Mahalanobis distance dN(X,) is dM(y,) a. less than b. greater than c. equal to d. less than or equal to 8. For the data given in Figure below, and Covariance matrix =[2002] the Mahalanobis distance dN(x,) is dM(y,) a. less than b. greater than c. equal to d. less than or equal to 9. Which of the following categories of clustering evaluation requires a "ground-truth" data set? a. Intemal measure b. Extemal measure c. Relative measure 10. What would be the Nomalized Mutual Information when the elustering is identical to the partition? a. Entropy of the clustering H(C) b. 1.0 c. Entropy of the clustering H(T)