AP Psych: Correlation/Stats

Measures of Central Tendency

• Point in distribution of scores around which scores cluster

• Mean

  • arithmetic average

  • very sensitive

• Median

  • score that falls in the middle of a data set

• Mode

  • occurs most frequently

• Range

  • Highest score-lowest score

Skewed Distributions

• an extremely high or low score that skews the curve

Correlation

• mutual relationship between two or more variables