Blue springs is a company that produces bottled water. it has received a huge order to supply water for a five-day convention that is taking place in the city. there are about half a million guests expected to attend each day. the company must operate at its to meet this demand.

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: