1. Answer the following through the given diagram:

Cluster ID 1 2 3 4 5 Cluster ID Gift Amount Average 36 Months Gift Amount Average All Months Gift Amount Average Card 36 Months Gift Amount Last Gift Count 36 Months $260.00 $138.75 $260.00 $250.00 16Cluster ID 1 2 3 Cluster ID Gift Amount Average 36 Months Gift Amount Average All Months Gift Amount Average Card 36 Mo.. Gift Amount Last Gift Count 36 Months $260.00 $138.75 $260.00 $250.00 16 $1.55 $1.50 $1.33 $0.00Cluster Observations Used 86,966 Unused 19,580 Polylines 1,312