Who Uses Statistics

1
Who Uses Statistics?

• Examples

2

• Define the term Statistics.

3

• Statistics is a collection of procedures and
  principles for gathering data and analyzing
  information in order to help people make
  decisions when faced with uncertainty.

4
Media

• Television News
• KTVU Channel 2
• News Papers
• USA Today
• Polls
• Gallup Poll

5
Government

• U.S. Department of Labor Bureau of Labor
  Statistics
• U.S. Census Bureau
• Federal Bureau of Investigations
• Department of Health Human Services

6
Other Organizations

• American Heart Association
• American Lung Association gandmother
• California Lottery

7
Case Studies

• Summary statistics
• Change in the rate of occurance, baseline rate
• Representative sample
• Unrepresentative sample
• Observational study
• Randomized experiment
• Statistical significance doesnt imply practical
  importance