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Inferential Statistics
Dealing With Data
Key Terms
Results with One Variables & Results with Two Variables
More than Two Variables
100
What Type of Technique deals with correlation, percentage table, and chi-square?
What is Bivariate?
100
In the grid, each row represents a respondent, participant, or case. In computer terminology, these are called ____ _______.
What is data records?
100
What is a mode?
What is a measure of central tendency for one variable that indicates the most frequent or common score? https://www.youtube.com/watch?v=A7MxGyEaN64
100
________ is the branch of applied mathematics we use to manipulate and summarize the features of numbers
What is Statistics?
100
If I give the statement “People with higher levels of education have higher levels of income” what concept does this refer to?
What is Covariation (Covary)?
200
To describe relationships among several variables, or see how several independent variables have an effect on a dependent variable. (The technique?)
What is Multivariate?
200
What two ways can you verify coding after the data are in a computer?
What is possible code cleaning & contingency cleaning?
200
What does statistical significance mean?
What is the likelihood that a finding or statistical relationship in a sample's results is due to random factors rather than to the existence of an actual relationship in the entire population?
200
What are three common types of graphic representations?
What is Histogram, bar chart and pie chart?
200
What is the opposite of Covariation?
What is (a) Standard Deviation (b) Statistical Independence (c) Statistical Relationship (d) Linear Relationship?
300
This error occurs when we say that a relationship does not exist, when in fact it does.
What is Type Error 2?
300
Coding can be a simple ________ task when you have recorded the data as numbers on ____-_________ recording sheets, but it is very difficult if you want to code answers to ____-_____ survey questions into numbers in a process similar to latent content analysis.
What is clerical, well-organized, & open-ended?
300
What is a linear relationship?
What is an association between two variables that is positive or negative across the levels of variables; when plotted in a scattergram, the pattern of the association forms a straight line, without a curve?
300
This measure describes the point where half of the cases are above it and half below it
What is Median?
300
In a Scattergram graph, _______ is the amount of spread in the points on the graph
What is Precision?
400
This will build on probability theory to test hypotheses formally, permit inferences from a sample to a population, and test whether descriptive results are likely to be due to random factors or to real relationships.
What is Inferential Statistics?
400
________ is extremely important when coding data?
What is accuracy?
400
What are data records?
What is the units or reports in computer-based data that contain information on the variables for a case?
400
We can use the mean with only what two types of data?
What is Interval or Ratio level data?
400
In which pattern does a control variable come before the independent variable in the initial bivariate relationship?
What is (a) Explanation pattern (b) Specification pattern (c) Replication pattern (d) Interpretation pattern?
500
Examples are 0.5, .01, .001
What are levels of statistical significance?
500
A document that describes the procedure for coding variables and their location in a format that computers can use.
What is codebook?
500
What is a histogram?
What is a graphic display of univariate frequencies or percentages, usually with vertical lines indicating the amount or proportion?
500
When measuring variation, this allows you to compare two or more distributions or groups
What is Z-score?
500
What are the two ways to introduce control variables?
What is Trivariate percentaged tables and multiple regression analysis?