Load and explore data. Conduct simple data analysis.
8. Customers from Munich!
Check data quality – NAs and imputation
Define customer activity levels
Congratulations

Instruction

Great!

Exercise

What is the average amount of money spent in the last 3 months by customers from Munich? Keep in mind that the customer location is kept in the location column, and their 3-month spendings are in the sales_3m column in the customers data frame.