Table 5.
Tukey's test regarding roasting levels with fine particle size.
Roast Mean Mean values without transformation into ln y
Light 3.858325 a 47.41 μg/kg
Medium 2.820806 b 16.81 μg/kg
Dark 1.603783 c 4.97 μg/kg
Means followed by the same letter do not differ statistically, according to the Tukey's test at 5% probability.