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. 2015 Oct 19;8:582. doi: 10.1186/s13104-015-1533-x

Table 3.

Analysis of the 4th-year written exam

Statistical parameters Results
Minimum 18.125
Maximum 43.125
Range 25
Count 207
Mean 33.6
Median 33.75
Mode 34.37
Standard deviation 4.35
Variance 18.9
Mid-range 30.625
Quartiles Quartiles
Q1 → 30.62
Q2 → 33.75
Q3 → 36.25
Interquartile range (IQR) 5.625
Mean absolute deviation 3.48
Root mean square (RMS) 33.9
Std error of mean 0.302
Skewness −0.34
Kurtosis 3.36
Coefficient of variation 0.12
Relative standard deviation 12.93 %