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PSYC 1010 (115)
Lecture

Class #1 January 10

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Department
Psychology
Course
PSYC 1010
Professor
Anne Bergen
Semester
Winter

Description
January 10 Statistics The practice of analyzing numerical data A set of mathematical procedures to organize summarize and interpret information PopulationsSamplesPopulation The set of all individuals of interest in a particular studySample A set of individuals selected from a population for participation in a study Parameter A usually numerical value that describes a population Statistic A usually numerical value that describes a sample Descriptive StatisticsTechniques that describe organize and summarize a set of dataeg distribution of examination scores Results in tables graphs or single numbers that consolidate a large amount of informationAny average for example is a descriptive statisticeg average daily rainfall average daily temperature batting averages test averagesInferential Statistics Techniques that use sample data to draw general conclusions about populationsMeasuring everyone in the population is usually impossibleUse sample statistics to infer what the population parameter is
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