
Calculating Standard Deviation
Grade 12th Grade · Math · 20 min
What's Included
Learning Objective
I can calculate standard deviation to analyze data sets.
Warm-Up Video
Bozeman Science · 7:50
Standard Deviation
Guided Notes
3 key concepts
- 1
Standard deviation measures the spread or variation in a data set, often visualized as a bell-shaped curve called a normal distribution.
- 2
Approximately 68% of data points fall within one standard deviation from the mean, while 95% fall within two standard deviations.
- 3
The formula for standard deviation involves calculating the square root of the variance, which is the average of the squared differences from the mean.
Practice Questions
3 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Calculate the standard deviation of the following data set: 2, 4, 6, 8, 10. Show all steps.”
Complete Lesson Package
Get all 3 ready-to-use resources:


