Section 2:  Statistics and Models

Chapter 2 Section 2 Presentation
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Key Terms:

• statistics
• mean
  
• distribution
  
• probability
  
• sample
  
• risk
  
• model
  
• conceptual model
  
• mathematical model
  

Main Ideas:

• Scientists use statistics to classify, organize, and interpret data.
• Measures such as means and probabilities are used to describe populations and events.
  
• Statistics provides a powerful tool for evaluating information about the environment.
  
• Scientists use models, including conceptual and mathematical models, to understand the systems they study.