Chi-Square Test Is success independent of the type of treatment? Observed Frequencies Success or not Type of Treatment Successful Unsuccessful Total Splint Treatment 60 23 83 Surgery Treatment 67 6 73 Total 127 29 156 Expected Frequencies Success or not Type of Treatment Successful Unsuccessful Total Splint Treatment 67.5705 15.4295 83 Surgery Treatment 59.4295 13.5705 73 Total 127 29 156 Data Level of Significance 0.01 Number of Rows 2 Number of Columns 2 Degrees of Freedom 1 Results Critical Value 6.6349 Chi-Square Test Statistic 9.7504 p-Value 0.0018 Reject the null hypothesis