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Who Uses Statistics? Examples. Define the term Statistics. Define the term Statistics.

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Presentation on theme: "Who Uses Statistics? Examples. Define the term Statistics. Define the term Statistics."— Presentation transcript:

1 Who Uses Statistics? Examples

2 Define the term Statistics. 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. 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 Television News KTVU Channel 2 KTVU Channel 2 KTVU Channel 2 KTVU Channel 2 News Papers News Papers USA Today USA Today USA Today USA Today Polls Polls Gallup Poll Gallup Poll Gallup Poll Gallup Poll

5 Government U.S. Department of Labor – Bureau of Labor Statistics U.S. Department of Labor – Bureau of Labor StatisticsBureau of Labor StatisticsBureau of Labor Statistics U.S. Census Bureau U.S. Census Bureau U.S. Census Bureau U.S. Census Bureau Federal Bureau of Investigations Federal Bureau of Investigations Federal Bureau of Investigations Federal Bureau of Investigations Department of Health &Human Services Department of Health &Human Services Department of Health &Human Services Department of Health &Human Services

6 Other Organizations American Heart Association American Heart Association American Heart Association American Heart Association American Lung Associationgandmother American Lung Associationgandmother American Lung Associationgandmother American Lung Associationgandmother California Lottery California Lottery California Lottery California Lottery

7 Case Studies Summary statistics Summary statistics Change in the rate of occurance, baseline rate Change in the rate of occurance, baseline rate Representative sample Representative sample Unrepresentative sample Unrepresentative sample Observational study Observational study Randomized experiment Randomized experiment Statistical significance doesn’t imply practical importance Statistical significance doesn’t imply practical importance

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