Chapter 1 Picturing Distributions with Graphs Individuals and Variables Individuals objects described by a set of data. (ex. People, animals, things) Variable any characteristic of an individual. (can be diff. values) o Categorical variable places an ind.
Chapter 2 Describing Distributions with Numbers Measuring center: the mean average value Sigma add them all up Not resistant: a few outliers can make s very large.
Measuring center: the median typical value Median midpoint of a distribution Resistant: out
Psych 60: Chapter 1
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Terms You Should Know
Individuals are objects described by a set of data (e.g., people, animals, things) Variable is a characteristic of an individual and it can take on different values for