PSY 311 - Week 6
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9 Terms
Descriptive Statistics
deals with organizing and summarizing scores from collected data
Inferential Statistics
involves drawing conclusions about a population based on a sample obtained from that population
Frequency Distributions
a table listing each score or category and the # of times it occurred
Bar Graphs
a graphical presentation of a frequency distribution of categorical data
Histograms
a graphical representation of a frequency distribution of continuous data
Measures of Central Tendency
the one # that best summarizes a distribution of scores
Primary Measures of Central Tendency
Mean
Median
Mode
Measures of Variability
the extent to which the values are dispersed around the measure of central tendency
Primary Measures of Variability
Range
Standard Deviation
Variance