=+weeks each in random order to 14 patients, resulting in the following total severity index scores (“Double Blind Evaluation of Deanol in Tardive Dyskinesia,”

J. of the Amer. Med. Assoc., 1978: 1997–1998):

Patient: 1 2 3 4 5 6 7 Deanol: 12.4 6.8 12.6 13.2 12.4 7.6 12.1 Placebo: 9.2 10.2 12.2 12.7 12.1 9.0 12.4 Patient: 8 9 10 11 12 13 14 Deanol: 5.9 12.0 1.1 11.5 13.0 5.1 9.6 Placebo: 5.9 8.5 4.8 7.8 9.1 3.5 6.4 Does the data indicate that, on average, deanol yields a higher total severity index score than does the placebo treatment?