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Fig. 1 | International Journal of STEM Education

Fig. 1

From: STEM courses are harder: evaluating inter-course grading disparities with a calibrated GPA model

Fig. 1

The difference between the RMSE (root mean square error) of observed GPA and the logistic model (2) as a predictor of student grades. Values to the right of center indicate that the model (2) is a better predictor than observed GPA, while points to the left indicate the reverse. This shows that the model (2) is a better overall predictor of student grades than observed GPA

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