What is EXTRAPOLATION
EXTRAPOLATION: Using data collected in the past to predict future patterns of behaviour.
What the chart looks like
https://docs.google.com/document/d/1LySzd4uVXp1E7FJViPvxbEw-LsErK0mPneequ8ClanU/edit
This is a chart that shows the monthly sales from January to September, which allows you to predict the future sales by implementing a line of best fit.
Pros of EXTRAPOLATION
Based on data already collected = cheap to do
Allows a business to make decisions based on data
Smooths out fluctuations to reveal patterns
Helps set targets