Concepts and Terminology for PSCI 210 Exam Questions With Correct Answers
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Course
PSCI 210
Institution
PSCI 210
Concepts and Terminology for PSCI 210
Exam Questions With Correct Answers.
Tabular Analysis - answeranalysis that uses a table to record/compare data, uses a categorical
independent & dependent variable
Chi-Squared Test - answertest that measures how a model compares to actual observed data
Di...
Concepts and Terminology for PSCI 210
Exam Questions With Correct Answers.
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
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