… % of “Weekly Grocery Shoppers” checked the box saying that they had a “University Degree or More”. Imagine that: according to this data, you are more likely to meet brainy graduates at your local supermarket …
… market shares, a closer look may be warranted.
In our previous example of a grocery study with a whopping 40% of academics in a respondent sample (while the real national incidence of “Bachelor Degree …