What statistical method models relationships between dependent and independent variables? | Card: 1 / 42 |
The regression equation y = a + bx has slope b = 0.75. What does this mean? | Card: 3 / 42 |
What does r² = 0.64 mean in regression analysis? | Card: 11 / 42 |
The least squares method minimizes the sum of _____ between observed and predicted values. | Card: 13 / 42 |
What is the degrees of freedom for simple linear regression with 15 data points? | Card: 19 / 42 |
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Which correlation shows stronger linear relationship? | Card: 23 / 42 |
Standard error of estimate (sₑ) measures the _____ of observed values around the regression line. | Card: 25 / 42 |
What assumption requires residuals to have constant variance across all x values? | Card: 29 / 42 |
In multiple regression y = β₀ + β₁x₁ + β₂x₂, what does β₀ represent? | Card: 31 / 42 |
To linearize y = ax^b, which transformation should be applied to both variables? | Card: 39 / 42 |






