1. Patient falls are serious problems in acute care hospitals. A patient care plan including current fall risk status with associated factors needs to be immediately analysed. A nurse wishes to use patient age (in years) to estimate their risk of falls and gathers a small set of data to do this. The scatter diagram (below) shows the data she gathered in her investigation.

A Scatterplot of X and Y 120 140 100 Earnings 20 30 40 50 60 70 Age