<s>
StatXact	B-Algorithm
is	O
a	O
statistical	B-Algorithm
software	I-Algorithm
package	O
for	O
analyzing	O
data	O
using	O
exact	B-General_Concept
statistics	I-General_Concept
.	O
</s>
<s>
It	O
calculates	O
exact	O
p-values	B-General_Concept
and	O
confidence	O
intervals	O
for	O
contingency	B-Application
tables	I-Application
and	O
non-parametric	B-General_Concept
procedures	I-General_Concept
.	O
</s>
