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Exam (elaborations)

Concepts and Terminology for PSCI 210 Exam Questions With Correct Answers

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  • Course
  • PSCI 210
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  • 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...

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  • August 29, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • PSCI 210
  • PSCI 210
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Thebright
©THEBRIGHT EXAM STUDY SOLUTIONS 8/22/2024 12:54 PM



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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