AgreeStat/360: computing weighted agreement coefficients (Conger's kappa, Fleiss' kappa, Gwet's AC1/AC2, Krippendorff's alpha, and more) for 3 raters or more
Solved I know the answer to A is Fleiss' kappa, but am | Chegg.com
Putting the Kappa Statistic to Use - Nichols - 2010 - The Quality Assurance Journal - Wiley Online Library
Fleiss' Kappa agreement results of three sentiment polarity rater | Download Table