Tabulation of Results
CorrectAnalysis x T20
NoTreatmentTreatment
No4817
Yes30


Tabulation of Expected Results
CorrectAnalysis x T20
NoTreatmentTreatment
No48.7516.25
Yes2.250.75


Statistical Results
Pearson's Chi-squared test with Yates' continuity correction
Pearson Chi Square Statistic0.12
Degrees of Freedom1
P value0.73