The institute for supply management: (a) establishes laws and regulations for supply management.(b) is an agency of the united nations charged with promoting ethical conduct globally.(c) publishes the principles and standards for ethical supply management conduct.(d) prohibits backward integration into developing economies.(e) grants ph. d. degrees in purchasing.

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is: