6. Decide which method of data collection would be most appropriate: A study of

Question

6. Decide which method of data collection would be most appropriate: A study of the effect of using MyStatLab (as an application tool) on grades in a statistics course. A. Observational study B. Experiment C. Simulation D. Survey E. None 7. Identify the sampling technique used: Students are classified according to major. Twenty students are selected from each major and asked how often they use the library. A. Simple Random sample B. Stratified sample C. Cluster sample D. Systematic sample E. Convenience 8, Find the class width: A. 3 B. 4 21 C. 5 16 6-10 D. 19 E. None 11-15 28 16 20 13

Explanation / Answer

6 a) observational study

7 b) stratified sample

8 b) 4

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