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Statistics Study Guide Data are observations that have been collected (EX. Measurements, gender, survey responses) Statistics are a collection of methods for planning experiments, obtaining data, & then organizing, summarizing, presenting, analyzing, interpreting, and drawing conclusion based on the data. Stats are represented by a bell curve represents any population of anything. Census is the collection of data from every member of the population. Observational study- we observe and measure specific characteristics, but we don't attempt to modify the subjects being studied . Population is the complete collection of all elements to be studied. Parameter is a numerical measurement describing some characteristic of a sample. What is your data set composed of? Qualitative Data: Data are separated into different categories that are distinguished by same non-numerical characteristic. Quantitative Data - consist of numbers representing counts or measurements. Discrete data result when the number of possible values is either a finite number or a "countable" number (0, 1, 2, 3, etc.) Continuous (numerical)...

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