This is practical problem from applied multivariate part. Please provide the detail step by step solution

Ing 3. a) Apply Multidimensional scaling, rank 3 students A, B and c with dissimilarity matrix A B C A/0 20 60 A = B 20 0 40 C \\60 40 0 b) The following data represent the number of everborn children (x,) number of desired children (x2) of 5 mothers residing in some parts of North-Eastern Libya : variables/mothers M, M, M, M. M s X1 7 8 6 3 11 X2 10 10 2 10 Find the Euclidean distance matrix D and represent the mothers by Dendrogram after clustering by nearest- neighbour method