Concepts and Terminology for PSCI 210 exam with complete solutions
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Course
PSCI
Institution
PSCI
Tabular Analysis
analysis that uses a table to record/compare data, uses a categorical independent & dependent variable
Chi-Squared Test
test that measures how a model compares to actual observed data
Difference of Means
looking at whether difference between means are statistically...
Concepts and Terminology for PSCI 210
exam with complete solutions
Tabular Analysis - ANSWER-analysis that uses a table to record/compare data, uses a
categorical independent & dependent variable
Chi-Squared Test - ANSWER-test that measures how a model compares to actual
observed data
Difference of Means - ANSWER-looking at whether difference between means are
statistically significant
Difference of Proportions - ANSWER-comparison of proportions between two groups
Degrees of Freedom - ANSWER-number of independent pieces of information in a
sample
Confidence Intervals - ANSWER-range of plausible values for coefficients
Standard Error - ANSWER-range of uncertainty surrounding the estimate of the mean
Standard Deviation - ANSWER-average distance of a data point away from the mean
Variance - ANSWER-average of the squared differences between each observed value
and the mean
, Regression line - ANSWER-line that best describes the relationship between x & y
Ordinary Least Squares - ANSWER-method that minimizes the squared residuals
R squared - ANSWER-measure of model fit ranging between 0 and 1
Continuous Data - ANSWER-observations that can take on any value in a range
Discrete Data - ANSWER-observations with limited values
Measures of Central Tendency - ANSWER-mathematical ways of catching the typical
case
Deviations from Central Tendency - ANSWER-measures of spread in a distribution
Range - ANSWER-difference between the maximum and minimum values
Interquartile Range (IQR) - ANSWER-difference between the 75th and 25th percentile
Method of Residues - ANSWER-identifying which independent variable explains the
outcome of interest
Method of Concomitant Variation - ANSWER-when x and y variables move together
Method of Agreement - ANSWER-identifying the circumstances when an event happens
Method of Difference - ANSWER-comparing the circumstances when an event happens
or does not happen
Joint Method of Agreement and Difference - ANSWER-variation on both dependent and
independent variables
Multivariate Analysis - ANSWER-analysis with multiple explanatory variables
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