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ISDS Final

# ISDS Final - ISDS Final Test 1 1 Descriptive Statistics...

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ISDS Final: Test 1 – 1. - Descriptive Statistics: Taking data and describing it; making histograms, pie charts, and mean, median, mode. The collection, presentation, and summarizing of data in order to describe the various features of that data set. - Inferential statistics : Taking data and making inferences. The methods that make possible the estimation of a characteristic of a population or making a decision about a population based only upon sample results. 2. a. Population parameter – a summary measure that is computed to describe a characteristic of an entire population b. Sample statistic- a summary measure that is computed to describe a characteristic from only a sample of the population 3. – Qualitative: a. Frequency distribution: a tabular summary of a data showing the frequency of items in each of several distinct categories. b. Bar graph – graphical representation of data where each category is depicted by a bar representing the frequency or proportion of observations falling into a category. c.

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ISDS Final - ISDS Final Test 1 1 Descriptive Statistics...

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