Business Research Terms and Concepts
The unemployment rate is calculated each month by the U. S. Bureau of Labor Statistics. The survey consists of 50,000 households in about 2,000 counties and cities in all 50 states. Stratified. Because you are dividing into subgroups prior to sampling. 2. A researcher for Kraft Foods selects five states randomly, and then selects 10 supermarkets chains within each state to call for a phone survey as test markets for a new cookie. Cluster. You are dividing Into groups or cluster then taking a random sample. Inducting an interview with a manager, she asks for the names of other managers that use virtual teams. Snowball. You are using a small pool of subjects and generating more from them. 4. A news reporter asks people on the street their opinion about the president’s new bill. Convenience. There are some members of the population that have no chance of being selected and you are using readily available subjects. 5. Jamie select Denver, Colorado; Chicago, Illinois; and San Diego, California as test markets for a potato chip line base on her experience with these markets. Judgment.
Because Jamie has used his or her own Judgment to select the appropriate sample. 6. A researcher instructs
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Stratified. Because you are dividing into subgroups prior to sampling. 8. A finance professor wants to know how many MBA students would be willing to take a course in international finance this summer. She surveys students in the class she is currently teaching. Cluster because she is dividing all MBA students into a group and sampling her class. It could also be seen as Convenience because she is sampling a group that is on hand and there is a set that doesn’t have a chance to be selected (anyone not in her class)..