A large department store has collected the following monthly data on lost sales revenue due to theft and the number of security guard hours on duty:
Lost Sales Revenue
in Thousands Total Guard Hours
1.0 600
1.4 630
1.9 1000
2.0 1200
1.8 950
2.1 1300
2.3 1350
find out the coefficient of determination.
coefficient of determination = 0.0014
coefficient of determination = 0.9121
coefficient of determination = 0.6734
coefficient of determination = 0.9955