diff --git a/src/libs/routes/dailyChargeAmount.js b/src/libs/routes/dailyChargeAmount.js
index f7e1ed25c245f793a8523c42cc5c162e2a588ef4..3602ff3efccf161913156e28813b41f797fcc45b 100644
--- a/src/libs/routes/dailyChargeAmount.js
+++ b/src/libs/routes/dailyChargeAmount.js
@@ -346,14 +346,14 @@ dailyChargeAmountApp.get('/', rqf.parse(), (req, res, next) => {
         .field('turma.etapa_resumida', 'education_level_short_id')
         .field('AVG(turma.duracao_turma)/60.0', 'average_class_duration')
         .field('MEDIAN(turma.duracao_turma)/60.0', 'median_class_duration')
-        .field('STDDEV_POP(turma.duracao_turma)/60.0', 'std_class_duration')
+        .field('STDDEV_SAMP(turma.duracao_turma)/60.0', 'std_class_duration')
         .field('QUANTILE(turma.duracao_turma, 0.25)/60.0', 'fstqt_class_duration')
         .field('QUANTILE(turma.duracao_turma, 0.75)/60.0', 'thdqt_class_duration')
         .group('turma.ano_censo')
         .group('turma.etapa_resumida')
         .order('turma.ano_censo')
         .order('turma.etapa_resumida')
-        .where('turma.tipo_turma_id <= 3')
+        .where('turma.tipo_turma_id <= 3 and turma.dependencia_adm_id <= 3')
     } else {
         res.status(400);
         next({