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Questions and Answers
In error minimization, what does the term 'sum of squares' refer to?
In error minimization, what does the term 'sum of squares' refer to?
- The sum of the individual distances of the predicted values from the actual data points.
- The total distance as the sum of squares of the differences of the values predicted by the linear model and the actual data. (correct)
- The square root of the sum of the squared errors.
- The sum of the squares of the parameter estimates.
What is the aim of error minimization with adjustment?
What is the aim of error minimization with adjustment?
- Balancing the predictive errors.
- Maximizing the predictive errors.
- Minimizing the predictive errors. (correct)
- Ignoring the predictive errors.
What is the role of the value 𝛽0 in the error minimization method?
What is the role of the value 𝛽0 in the error minimization method?
- Maximizing the fit of the model to the population.
- Finding the value that leads to predictions of Y that minimize the distance between all the data points and the predicted value. (correct)
- Minimizing the sum of squares of the errors.
- Determining the number of parameters in the model.
What characterizes good models in the context of model comparison?
What characterizes good models in the context of model comparison?
What does 'I' represent in the context of the participants?
What does 'I' represent in the context of the participants?