when
+
+
Confidence Interval
+
+
Maximum Error Estimate
+
+
Setting H0 and H1:
+
+
Test statistics:
+
Where
+
+
Confidence Interval
+
+
Setting H0 and H1:
+
+
Test statistics:
+
Where o is observed frequency, and e is expected frequency.
+
when we compare k sample proportion.
++
Tests using Contingency Tables
+Setting H0 and H1:
++
|
+ Testing for Independence: +  |
+
|
+ Testing for Homogeneity: + |
+
+
Test statistics:
+Where o is observed frequency, and e is expected frequency.
+
+
For each cell of the contingency table, use
+
+
Setting H0 and H1:
+
