20. The following are increased hours of sleep for 10 patients treated with soporific B compared with soporific A (Cushny and Peebles, presented by Fisher in Statistical Methods for Research Workers):

1.2, 2.4, 1.3, 1.3, 0.0, 1.0, 1.8, 0.8, 4.6, 1.4 Perform a Bayesian analysis of this data and draw conclusions, assuming each component of the likelihood to be

(a) normal

(b) Student’s t with 3 degrees of freedom (t3)