Answer:
Trend
Explanation:
Trend analysis is a term that is used in describing a method used in forecasting or predicting the future occurrence of events based on the observed trend data. This is according to the principle of using past events to determine what to occur in the future
Hence, when Ryan, a healthcare administrator, was trying to predict staff needs for the next five years by comparing data from the previous years. Ryan was trying to analyze a TREND.
