Probability & Statistics

Probability & Statistics

1. Probability

   • A branch of mathematics concerned with analysis of random phenomena
   • Population
     • Collection of all individuals or individual items of a particular type.
       • Parameters: Mean and chi
   • Sample
     • Collection of observations. Used to make inferences about a
       • Estimators: X bar, s

2. Statistics

   • A branch of mathematics dealing with the collection, analysis, interpretatio, andd presentation of masses of numerical data.

3. Use

   • Evaluate its effects on the performance and design of system
   • Quantify uncertainty
     • Represents the natural randomness of an underlying phenomenon
     • Succesive observations that does not produce exactly the same result.

4. Appication

   • Ranges from describing basis information to the development of bases for design and decision making.