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### 9 Cards in this Set

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 Descriptive statistics Example: US Census Inferential Statistics Uses probability, and consists of generalizaing from samples and performing hypothesis tests Discrete Variables Assumes that the values CAN be counted Continuous Variables Assumes an infinte number of values between any two specific values Nominal Level of Measurement Example: College classes (English, history, psychology). Key: No ranking order Ordinal Level of Measurement Example: Letter grades Key: Put into ranks, can be place into categories Interval Level of Measurement Example: IQ level, or temperature Key: Ranks data, yet there is no meaningful zero Ratio Level of Measurement Example: Height, weight, number of phone calls received Key: There exists a true zero, and What are the four types of sampling? Random, Systematic, Stratified, Cluster, and Convenience