Unkindness, Viciousness
This page is the CodyCross answer for the clue below from Science Lab, Group 314, Puzzle 3 (Standard Deviation).
Question is: Unkindness, Viciousness
and the answer is: CRUELTY
Word Meaning:
CRUELTY — (uncountable) An indifference to suffering or pleasure in inflicting suffering.
Definitions from Wiktionary.