L2 · Required

Charts and interpretation

Use charts and interpretation to make decisions inspectable.

What you should be able to do

Independently: Choose a comparison chart and write two observations.

Suggested prerequisites

A short guide

Use charts and interpretation to make decisions inspectable. Choose a comparison chart and write two observations. Read the indicated source section, identify its key concepts and conditions, and work through the example. Record inputs, sources, units and assumptions. Keep your method separate from the result, mark unanswered questions, and review the output against the checklist.

An example

A truncated axis can exaggerate a difference.

Your task

Choose a comparison chart and write two observations.

Start with this source

Read the indicated section relevant to charts and interpretation and complete the applied task.

This source is awaiting renewed review. Try the task above and adjacent skills; reviewed sources will appear here.

Your learning checklist

Required items: 0 / 10 completed or already known

Device storage

Next: Read a role through its responsibilities

Checklist statuses are self-reported; exercise scores are recorded separately. You can reset any item.

Self-check

Try a practice set

Calculations and choices receive immediate checks. Review open responses yourself against the rubric. All examples are educational.

1. 5 of 20 users convert. Conversion rate (%)?
2. How do you check user count after joining multiple orders?
3. After the experiments and inference task, state one assumption, one supporting fact and one condition that would change your conclusion.