(CJ 3320) Exam 1: Unit 1-4 ACTUAL UPDATED Questions and CORRECT Answers
C
Terms in this set (47)
Unit 1: Methods of organizing, summarizing, and presenting data in a convenient and
Descriptive Statistics informative way.
Unit 1: Body of methods used to draw conclusions/inferences about characteristics of
Inferential Statistics population based on sample data.
Unit 1: Set of all items of interest in a statistical problem
Population
Unit 1: Descriptive measure of population
Parameter
Unit 1: Set of data drawn from population
Sample
Unit 1: Descriptive measure of sample
Statistic
Unit 1: process of making an estimate, prediction/decision about a population based on
Statistical inference sample data.
Unit 1: Proportion of times that an estimating procedure will be correct.
Confidence level
Unit 1: measures how frequently the conclusion will be wrong.
Significance level
Unit 1: [(current year - base year) / base year] x 100
Formula for Percentage Change
Unit 2: attempt to develop plausible explanation of reality, not philosophy/belief.
Theory
Unit 2: Logical grouping of attributes (e.g. gender)
Variable
Unit 2: Qualities of object (e.g. Male-1, Female-2)
Attributes
Unit 2: Specific statements regarding relationships between variables (usually 2) and are
Hypothesis derived from general theories.
C
Terms in this set (47)
Unit 1: Methods of organizing, summarizing, and presenting data in a convenient and
Descriptive Statistics informative way.
Unit 1: Body of methods used to draw conclusions/inferences about characteristics of
Inferential Statistics population based on sample data.
Unit 1: Set of all items of interest in a statistical problem
Population
Unit 1: Descriptive measure of population
Parameter
Unit 1: Set of data drawn from population
Sample
Unit 1: Descriptive measure of sample
Statistic
Unit 1: process of making an estimate, prediction/decision about a population based on
Statistical inference sample data.
Unit 1: Proportion of times that an estimating procedure will be correct.
Confidence level
Unit 1: measures how frequently the conclusion will be wrong.
Significance level
Unit 1: [(current year - base year) / base year] x 100
Formula for Percentage Change
Unit 2: attempt to develop plausible explanation of reality, not philosophy/belief.
Theory
Unit 2: Logical grouping of attributes (e.g. gender)
Variable
Unit 2: Qualities of object (e.g. Male-1, Female-2)
Attributes
Unit 2: Specific statements regarding relationships between variables (usually 2) and are
Hypothesis derived from general theories.
