1. Consider the following data set with 5 variables (x1...x5) and 5 observations. a. b. Normalize each variable using min-max normalization between 0 and 1. Perform k-means clustering with the normalized data using 2 clusters assuming the initial cluster assignments given in the last column (C). C. Perform hierarchical clustering, construct a dendogram. x1 0.88 225 x3 x4 x5 C 92 580 132 155 2 1.1 95 517 564 206 2 0.88 99 376 134 80 1 0.92 300 1468 28 455 1 1.16 112 562 139 198 2