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spec: " This was not a casual conversation ; it was a strong difference of opinion , with irreconcilable differences . Information about sex and age composition in the harvest is obtained from feather samples submitted by successful hunters . Medical and dental expenses may also be higher after age 65 , because many services are not covered by Medicare and are needed more frequently as people age . A masters ' course can consist of both taught and research elements . In a particular application we try to solve such problem by proposing from multivariate distributions centered around the posterior means , obtained by Gibbs sampling conditional on the proposed $ k $ . In such situations , like mine-removal or planetary exploration , the robot could possibly be out of human contact for long periods of time , or it might be cost-prohibitive to re-implement the robot 's network . This was especially evident in Chapter Four , which brings a familiar methodology to the discussion of civil rights in the twentieth century . The first stage of ratio estimation was applied only to data obtained from non-self-representing sample areas . 5-1 ) was used to demonstrate the quality of the separations obtained with three sample mixtures having widely different molecular weights . The best information about distribution of nematode densities comes from records from previous seasons : a field map based on direct observations from many locations in the field provides far better information about nematode distribution than one can obtain from soil samples . This commenter was concerned about the expense a contractor will allegedly be required to incur in making changes to forms for supplier agreements , purchase orders , and other contracts , and suggested that section 3 of the Executive Order authorizes the Secretary of Labor to issue regulations exempting contractors from the pass-through requirement .