Lesson ProgressPhase 4 of 6
Phase 4Independent Practice
Independent Practice: Descriptive Statistics: What Does Normal Look Like?
Algorithmic practice with automatic checking and mastery targets
Independent Practice: Statistics Mastery
Practice calculating mean, median, and range with varied data. Get 3 correct in a row to demonstrate mastery.
Streak: 0
Mastery: 0/3
Problem 1 of 6
120, 135, 142, 128, 115
Calculate the mean of these weekend sales totals.
Quick Reference
Mean: Sum all values ÷ Count
Median: Sort data, find middle (or average of two middles)
Range: Maximum - Minimum