Add upper bound for stats package

Author: mchav

dataframe.cabal

@@ -48,7 +48,7 @@ library
                       containers >= 0.6.7 && < 0.8,
                       directory >= 1.3.0.0 && <= 1.3.9.0,
                       hashable >= 1.2 && <= 1.5.0.0,
-                      statistics >= 0.16.2.1,
+                      statistics >= 0.16.2.1 && <= 0.16.3.0,
                       text >= 2.0 && <= 2.1.2,
                       time >= 1.12 && <= 1.14,
                       vector ^>= 0.13,
@@ -84,7 +84,7 @@ executable dataframe
                       containers >= 0.6.7 && < 0.8,
                       directory >= 1.3.0.0 && <= 1.3.9.0,
                       hashable >= 1.2 && <= 1.5.0.0,
-                      statistics >= 0.16.2.1,
+                      statistics >= 0.16.2.1 && <= 0.16.3.0,
                       text >= 2.0 && <= 2.1.2,
                       time >= 1.12 && <= 1.14,
                       vector ^>= 0.13,