Statistics

Statistics

1. error bars

   • show standard deviation above or below the mean

2. Central Tendency

   • The degree of clustering of data

3. Nominal Data Type

   • Named Categories
   • Central Tendency= mode

4. Ordinal

   • Ranked or relative data
   • Central tendency= median

5. Interval

   • Items on a scale (normally distributed)
   • Central Tendency= mean

6. t-test

   • null hypothesis
     • no significant difference between means
   • Alternative hypothesis
     • significant difference between two means
   • compares two means to determine if there is a significant difference between them