how to find phd interval in iid what is hpd interval for the mean hpd interval for the mean hpd averages for mean how to find hpd interval for iid observation how to find hpd interval how to find hpd interval for an observation of an iid hpd interval for a mean what should the mean of an iid observation be what is the hpd interval for iid what is the hpd interval what is the hpd interval for mean how does hpd interval hpd interval how long is hpd interval for an observation hpd interval what is the average hpd interval what is hpd interval of a normal iid what is the hpd interval how do you find the hpd interval with the mean