Sociology 2206A/B Lecture Notes - Lecture 1: Central Tendency, Wcsx, Interquartile Range
21 Jun 2015
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The role of statistics in scientific inquiry. Statistics: organize, summarize, and manipulate data (%), (average)(providing description: what falls under what multiple regression. Statistical analysis: forming data in a way that forms some sort of a hypothesis. Theory: explanation of the relationships between the phenomena: relationship between gender and income, hypothesis from theory causal relationship, make sense of possible relationships, anticipate what the findings may be (positive or negative) Variables: traits that can change value from age to age. Case: the entity from which data is gathered (where) Describe the of students in the class: Independent variables dependent variables: some can have an impact (not a linier process) Hypothesis: relationship between variables that is logically derived from theory. Two main statistical applications: descriptive statistics. Nominal, ordinal, or interval-ratio: discrete: variables units that cannot be subdivided (# of cars, continuous: unit that can be subdivided infinitely (time)
