2_Lecture2.2_FrequencyDistribution_0124r_Spring11

# 2_Lecture2.2_FrequencyDistribution_0124r_Spring11 - 1...

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Unformatted text preview: 1 PSY207 B Spring 2011 Psychological Statistics 2.1 Introduction 2.2 Frequency Distribution Tables II. Frequency Distributions….more Frequency Distribution Tables • Structure of Frequency Distribution Table • Categories in a column (usually highest to lowest) • Frequency count next to category • To compute Σ X from a table • Convert table back to original score or • Compute Σ f X Raw Data •A personality questionnaire was given to a class of psychology students for the assessment of their self-esteem level. The class was classified into 5 sub-groups based on their questionnaire score: •High self-esteem Low self-esteem •5 1 •Results: •4, 4, 3, 3, 5, 4, 2, 1, 1, 3, 4, 4, 5, 2, 3, 3, 4, 3, 3, 2 •1, 4, 5, 3, 4, 4, 5, 2, 4, 1, 3, 3, 2, 2, 4, 5, 1, 5, 3, 4 4, 4, 3, 3, 5, 4, 2, 1, 1, 3, 4, 4, 5, 2, 3, 3, 4, 3, 3, 2 1, 4, 5, 3, 4, 4, 5, 2, 4, 1, 3, 3, 2, 2, 4, 5, 1, 5, 3, 4 • Question1: Compute ∑ x, and n. • Question2: Make a frequency table for the given set of data • Question3: Make a relative frequency table for the given set of data • Question4: Compute ∑ fx 4, 4, 3, 3, 5, 4, 2, 1, 1, 3, 4, 4, 5, 2, 3, 3, 4, 3, 3, 2 1, 4, 5, 3, 4, 4, 5, 2, 4, 1, 3, 3, 2, 2, 4, 5, 1, 5, 3, 4 • Question1: Compute ∑ x, and n....
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## This note was uploaded on 04/20/2011 for the course PSY 207 taught by Professor Pfordesher during the Spring '07 term at SUNY Buffalo.

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2_Lecture2.2_FrequencyDistribution_0124r_Spring11 - 1...

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