A researcher examines the satisfaction levels of married couples and predicts that husbands are more satisfied than wives. She calculates the following confidence interval, with wives 'scores subtracted from husbands ' scores: -1.5 sus -.5. What should she conclude? ()A) Reject the null: wives have higher satisfaction scores than do husbands O B) Fail to reject the null: husbands and wives have about the same satisfaction scores (C) Fail to reject the null: wives's scores were actually greater than those of their husbands ()D) Reject the null: husbands have higher satisfaction scores than do wives