Exploring Two–Variable Data
In the context of residual plots, which of these features would indicate that a constant variance assumption might have been violated?
If a linear regression model shows smaller residuals for data points than another model, what does this indicate about the model's fit?
What is NOT a relevant measurement when examining residuals in regression analysis?
Which method randomly selects individuals for a sample with no specific system or rule?
If a residual plot shows a random scatter of points around the horizontal axis, what does this indicate about the relationship between the independent and dependent variables?
What might be implied if after implementing new teaching methods across various schools, we find consistently low positive residuals in standardized math test scores?
What do small residuals indicate in a linear regression model?
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What does it mean when a residual is zero?
When examining a set of residual plots, which characteristic suggests homoscedasticity?
If a residual plot shows a random scatter of points around the horizontal axis, what does this indicate about the model's fit to the data?