If We Could Ok at Historical Revenues and Relate Those

Multiple Choice

If we could ok at historical revenues and relate those revenue volumes to the number of people in the organization for each year,and then extend that comparative data into the future to predict the number of people required for a particular sales or revenue level,what kind of analysis was done?

A) Qualitative analysis
B) Ratio analysis
C) Regression analysis
D) Factor analysis
E) Reliability analysis