Statistics Test 1

Statistics Test 1 - Statistics Test 1 19:56 Chapters 1,2...

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Unformatted text preview: Statistics Test 1 19:56 Chapters 1,2 Descriptive Statistics Organizing and summarizing numerical data in order to discrbe various features of the data Inferential statistics Procedures and methods that can be used to make inferences, predictions, and decisions about the population using the information contained in a sample Types of samples Systematic sample select ever k-th item from a list Stratified select randomly with defined strata Cluster- strata are like geographic regions Judgment expertise of the sampler Convenience whatever is easier Qualitative non-numerical and categorical Quantitative numeric Discrete assumes only specific points on a scale Continuous assumes all values within an interval Levels of measurement Nominal Categorical, qualitative, or classification data Numbers are just used as placeholders for example the answer to a nominal question...
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Statistics Test 1 - Statistics Test 1 19:56 Chapters 1,2...

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