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Correlation and dependence

STATS PRACTICE

Subject: 
Statistics
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Regression analysis
Design of experiments
Econometrics
Statistical dependence
Dependent and independent variables
Correlation and dependence
Scatter plot
Coefficient of determination
Statistics
Causality
Confounding
Plot

AP Statistics Name ____________________________________________ Chapter 4 Practice Test Part I - Multiple Choice Suppose that the scatterplot of (log x, log y) shows a strong positive correlation Which of the following must be true? The variables x and y also have a correlation close to 1. A scatterplot of (x, y) shows a strong nonlinear pattern. The residual plot of the variables x and y shows a random pattern. I only II only III only I and II I, II, and III What is the purpose of residual plots? To determine causation. To assess the type of relationship that exists between x and y. To check the appropriateness and fit of the regression equation for the data. To measure the variability in the residuals. To provide predictions for the response variable.

Myers' Psychology for AP - Unit 2 Flashcards2

Subject: 
Psychology
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Science
Information
Evaluation methods
Knowledge
Design of experiments
Research
scientific method
Psychology
Statistics
Correlation and dependence
experiment
G factor
health
Technology

HINDSIGHT BIAS Unit #2: Research CRITICAL THINKING Unit #2: Research THEORY Unit #2: Research Methods HYPOTHESIS Unit #2: Research Methods OPERATIONAL DEFINITION Unit #2: Research Methods REPLICATION Unit #2: Research Methods CASE STUDY Unit #2: Research Methods SURVEY Unit #2: Research Methods POPULATION Unit #2: Research Methods RANDOM SAMPLE Unit #2: Research Methods NATURALISTIC OBSERVATION Unit #2: Research Methods CORRELATION Unit #2: Research Methods CORRELATION COEFFICIENT Unit #2: Research Methods SCATTERPLOT Unit #2: Research Methods ILLUSORY CORRELATION Unit #2: Research Methods EXPERIMENT Unit #2: Research Methods RANDOM ASSIGNMENT Unit #2: Research Methods DOUBLE-BLIND PROCEDURE Unit #2: Research Methods PLACEBO EFFECT
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