EduFlow
Python for Data Analysis

Checkpoint: Answering Real Questions

Five questions on this section. Answer all of them, then see your score and why each answer is right or wrong.

Question 1 of 5

Web sessions view a mean of 4.2 pages and a median of 3. A product manager asks for the “typical” session. What do you report?

Question 2 of 5

added_to_cart and purchased have a correlation of 0.62 across sessions. Which conclusion is sound?

Question 3 of 5

Month A to month B: revenue +20%, orders +20%, average order value unchanged. What drove the growth?

Question 4 of 5

You need to show eight quarters of revenue so the board can compare their sizes. Which chart?

Question 5 of 5

Restart and Run All stops with NameError: name 'clean_orders' is not defined, although the notebook worked an hour ago. What happened?

5 questions unanswered