please answer them without any explain 1. When a researcher determines what or who should provide the data and at what level of aggregation, he or she is determining the A. hypotheses B research questions C.analysis technique (D. unit of analysis 2. Which research strategy is least concerned with examining relationships between variables? (A) Descriptive B. Correlational C. Experimental D. Action research 3. Which of the following is a possible unit of analysis in a research study? A. an employee B. a sales region C. a zip code area D all of these choices 4. Dr. X conducts an experiment on life satisfaction using participants above the age of 80. Because she cannot include all people above the age of 80, she will select what is known as a A. sample B. census C. population D) subgrou 5. If the individuals in a sample have characteristics that are noticeably different from the individuals in the population, then the sample is said to be A representative Brandom C. stratified D.biased 6. When a sample has the same characteristics as the target population, the sample is said to be a(n) sample. A representative B. biased C target D. accessible