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Data Analysis 1033 Exam 1 C1,2,3-Graded A

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Data Analysis 1033 Exam 1 C1,2,3-Graded A

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Data Analysis 1033 Exam 1: C1,2,3-
Graded A

a single measure used to summarize a sample data set.

the science of collecting, organizing, analyzing, interpreting, and presenting data - ANS-
Statistic(s)

descriptive and inferential - ANS-2 Types of Statistics

the collection, organization, presentation, and summary of data
ex: mean, median, mode - ANS-Descriptive Statistics

generalizing from a sample to a population and making decisions - ANS-Inferential
Statistics

- ANS-Sample v. Population

collection of data values as a whole - ANS-Data Set

each data value - ANS-Observation

an item for study - ANS-Subject (individual)

a characteristic about the subject - ANS-Variable

2 variables. typical tasks are cater plots, correlations, regression modeling - ANS-
Bivariant Data

more than 2 variables. typical tasks is a multiple regression - ANS-Multivariant Data

values are described by words rather than numbers - ANS-Categorical (Nominal)
"Qualitative" Data

data that is measuring a value - ANS-Numerical "Quantitative" Data

labels or names
ex: Gender, race, profession, type of business, the manufacturer of a car - ANS-
Qualitative Data

meaning numerical values

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