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    Activities
                
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                Activities
                    
                        Resources
                    
                        Standards
                    
                        About

                  
                
                    Activities Overview
                        
                            Math
                        
                            History/Social Studies
                        
                            Geography
                        
                            Sociology
                        
                            English
                        
                            Home and Distance Learning Activities
                        
                            Grades K - 2
                        
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                    Apportionment Resources
                        
                            Constitution Day
                        
                            Data Access Tools
                        
                            Fun Facts
                        
                            Games
                        
                            Historical Documents and Images
                        
                            Kahoot! Games
                        
                            Learn About the Decennial Census
                        
                            Maps
                        
                            Monthly Highlights
                        
                            Videos
                        
                            Visualizations
                        
                            Warm-Up Activities
                
                    Overview
                        
                            Math
                        
                            History
                        
                            Geography
                        
                            Sociology
                        
                            English
                
                    About Us
                        
                            Program Benefits
                        
                            Census 101 for Students
                        
                            Teacher's Guide to Tools
                        
                            Newsroom
                        
                            Partner with SIS
                        
                            Contact Us
 
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            Over the Hill - Aging on a Normal Curve
 Over the Hill - Aging on a Normal Curve
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 Over the Hill - Aging on a Normal Curve
 Activity Description
 hm2_160

		Students will use census data from a sample of 136 U.S. counties and other sample data to make estimates about the U.S. population that is 65 or older in all other counties and about other variables, using normal distribution models.
 Suggested Grade Level
 11-12
 Approximate Time Required
 30-45 minutes
 Learning Objectives
 Students will be able to estimate percentages based on a normal distribution using the “empirical rule.”
Students will be able to use a data set’s mean and standard deviation to fit it to a normal distribution.
 Materials Required
 The student version of this activity, 12 pages
Calculators
 Activity Items
 The following items are part of this activity. The items, their data sources, and instructions for viewing the source data online appear at the end of the teacher version.
Percentage of Population Aged 65 and Older
Percentage of Family Households
Average Hours of Student Sleep on a School Night
 Download Teacher Version
 Download Student Version
 Additional Information
 web
				A Diverse Aging Population
 web
				An Aging World
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 Teacher Notes Blooms Taxonomy 
 Students will engage with, **evaluate**, and analyze mathematical problems involving normal models.
 Subject High School Math
 Topics Empirical rule
Histograms
Normal models
Proportions
 Skills Taught Identifying normality in a data set
Estimating percentages from a normal distribution
Making predictions
 
 
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