Day Self-Service Checkout Shop Lifting Loss Average Customer rating Customers required help Employee Operated Day 1.00 Self-Service Checkout 0.04 1.00 Shop Lifting Loss -0.06 0.06 1.00 Average Customer rating 0.08 -0.06 0.02 1.00 Customers required help 0.07 0.04 -0.00 -0.04 1.00 Employee Operated -0.01 0.42 0.08 -0.11 0.02 1.00 Jordan is concerned that customers will be reluctant to use the self-service checkouts