Module 56 & 57: Statistics and Variability

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Department
Psychology & Brain Sciences
Course
PSYCH 100
Professor
tamararahhal
Semester
Spring

Description
Module Fifty-Six: Descriptive Statistics • statistics → the branch of mathematics concerned with collecting, organizing, analyzing, and drawing conclusions from numerical data • descriptive statistics → the branch of statistics that provides a means of summarizing data and presenting it in a usable and convenient form • frequency distribution → an arrangement of scores from a sample that indicates how often a particular score is present • histogram → bar graph • central tendency → index of the central location within a distribution of scores; the most representative score in a distribution of scores (mean, median, mode) • mean → average of all scores, arrived at by adding scores together and dividing by the number of scores • median → the point in a dis
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