A man in a red shirt is standing next to a woman in a blue dress. They are both holding hands and smiling at each other. A person is known for their exceptional skills in both art and music. Another person is known for their exceptional skills in only one of these areas. Within-Study Variation implies that the results of a study are consistent across different subsets of the data. If this premise is true, what does that tell us about whether it entails the hypothesis 'External-Study Variation'?
yes
no
no