Sex differences in "openness to experience" were studied by administering the quantitative test of this characteristic to 7 men and 5 women (higher the score, less open to experience). The scores for 7 men were: 12, 10, 6, 9, 15, 12, 14 and scores for the 5 women were: 8, 5, 9, 4, 6. What can be concluded regarding sex differences in openness to experience?