Hi, I am plotting shops in a graph view.
Example:
- horizontally: average spending per customer in the shop
- vertically: conversion rate of candybars per shop (how many customers that have a transaction, also have at least one product in category candybars).

What we want is to add the overall averages of all shops to the graph. This way we get 4 quadrants and every quadrant requires it's own market approach.

Hope you can help
Thanks
Arjan