Fix section for paired t-test problem

We have paired samples (the two halves of each field) and are using
the mean and standard deviation of the differences, so this is a
paired t-test.

Author: d-torrance

OpenProblemLibrary/CollegeOfIdaho/setStatistics_Ch17InferenceMean_t/17Stats_12_InferenceMean_t.pg

@@ -1,7 +1,7 @@
 ## DESCRIPTION: Hypothesis testing:  One mean, unknown standard deviation
 ## DBsubject(Statistics)
 ## DBchapter(Hypothesis tests)
-## DBsection(One sample mean - t)
+## DBsection(Paired samples)
 ## Institution(The College of Idaho)
 ## Author(R Cruz, L Danielson, J Guild)
 ## MLT(stateHyp-thenTest)