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PS101 (736)
Lecture

Appendix A.docx

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Department
Psychology
Course
PS101
Professor
Lawrence Murphy
Semester
Fall

Description
Appendix A- Statistical Methods Graphing Data o Frequency distribution , histogram, frequency polygon Descriptive Statistics o Measures of central tendency (mean, median and mode) o Skewed distributions (negative/positive) o Measuring variability (standard deviation) The normal distribution N Number of scores/participants/events o Psychological tests X Score sigma Sum of ‒ Relative measures ‒ Standard deviation the unit of measure o Conversion to percentile scores o Con
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