is attendance a phenomena what is the significance of attendance in a phenomenon why is it important that there be a correlation between attendance and phenomenon what is the correlation of attendance to the treatment? which phenomenon is characterized by zero attendance and zero events how to determine the prevalence of a phenomenon in a group ppt correlation how to model occurrences of phenomena what is the correlation between attendance and the phenomenon? how to model occurrence statistics what is the correlation between attendance in each phase of treatment and occurrences of the phenomenon? how to model phenomenon of attendance how to model phenomena how to model occurrences in groups how is occurrence model used how to model phenomena when a phenomenon is observed at zero days the correlation is high. which statistic does nonzero days refer to which statistic is not statistically significant when the population has zero attendance? why? how to model occurrences