Statistics

Statistics

1. Data

   • Discrete - have natural number values and have a distinct set of possibilities that can be count ahead of time (eg: dress sizes)
   • Continuous - real number interval of values and not possible to count ahead of time (eg: height)

2. Presentation of data

   • Frequency Distribution Table
     • The frequency is the number of times a particular value occur in the sample.
     • List each possible value, or range of values, in increasing order along with the frequency with which that value occur
   • Bar chart

3. Mean

   • Measure of the central tendency of a list of data values