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Exercise

Calculating conversion rate

In this exercise, you will practice calculating conversion rate, which is often the first metric you'll want to calculate when evaluating how a marketing campaign performed.

On marketing teams, conversion rate is typically the most important metric. It is one of the best ways to determine how effective a marketing team was at gaining new customers.

As a reminder, conversion rate is the percentage of the users who saw our marketing assets and subsequently became subscribers.

The formula for conversion rate is:

$$ \frac{\text{Number of people who convert}}{\text{Total number of people who we market to}} $$

Instructions

100 XP
  • Calculate the number of unique user_ids in marketing DataFrame.
  • Calculate the number of people who subscribed using the converted column.
  • Calculate the conversion rate.