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Table 11 Correlations between number of attempts and final exam score

From: Estimating the minimum number of opportunities needed for all students to achieve predicted mastery

Final exam score vs.

Correlation

95% confidence interval low

95% confidence interval high

p-value

Mean

−0.34

−0.40

− 0.27

<  2.2e-16

Median

−0.35

− 0.41

− 0.28

<  2.2e-16

Standard deviation

− 0.23

− 0.30

− 0.16

7.968e-11

Number of KCs mastered

0.35

0.28

0.41

<  2.2e-16