b. Use the data to examine whether the consultants' claim that "the ten clusters differed significantly on at least one or more of the key performance dimensions" was right. To achieve this, regress each of the three performance measures included in the proposed incentive system (columns H, L and P) on indicator variables representing each of the clusters. For your convenience, cluster indicator variables have been included on the last 10 columns of the

Worksheet DB(B).5 How much of the variance in each performance measure is explained by the clusters?