Tabulation of Results
CorrectAnalysis x Useful
NoYes
No10834
Yes57


Tabulation of Expected Results
CorrectAnalysis x Useful
NoYes
No104.1937.81
Yes8.813.19


Statistical Results
Pearson's Chi-squared test with Yates' continuity correction
Pearson Chi Square Statistic5.05
Degrees of Freedom1
P value0.02