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Chapter 1•Descriptive statistics-methods of organizing, summarizing, and presenting data. –Graphical techniques-histograms, scatterplots, etc.–Numerical techniques-mean, median, mode, etc.•Inferential statistics-used to draw conclusions or inferences about characteristics of populations based on sample data•Population-set of all items of interest in a statistical problem•Parameter-a descriptive measure of a population•Sample-a set of data drawn from the population•Statistic-a descriptive measure of a sample
•Statistical Inference-the process of making an estimate,