Recall
Set 1: Quick Check
Identify numerators, denominators, rates, ratios, and percentage-point differences.
Percentages, Rates, Ratios, and Change
Calculate part-to-whole percentages, event rates, ratios, percentage-point change, and percent change.
Start Chapter PracticeChapter plan
What you will be able to do
- Choose the correct denominator and baseline for a rate.
- Study time
- 26–32 minutes, self-paced
- Course
- Data Analysis for Business (Beginner)
- Practice order
- Four sets, completed in sequence
Chapter practice
Practice in chapter order
10 activities · 80% mastery target
Start set 1
Guided application
Set 2: Core Practice
Calculate percent change and follow a reproducible rate workflow.
Hands-on
Set 3: Workplace Task
Analyze conversion and revenue change with visible baselines and underlying counts.
Independent check
Set 4: Mastery Check
Reject added percentage changes and match change language to the correct calculation.