Unformatted text preview: DIFFICULTY: Moderate KEYWORDS: cluster sample 3. True or False: The professor of a business statistics class wanted to find out the average amount of time per week her students spent studying for the class. She divided the fifty students on her roster into ten groups, starting from the first student on the roster. The first student was randomly selected from the first group. Then every tenth student was selected from the remaining students. This is an example of a cluster sample. ANSWER: False TYPE: TF DIFFICULTY: Moderate KEYWORDS: systematic sample 4. True or False: Selection bias occurs more frequently in systematic samples than in simple random samples. ANSWER: True TYPE: TF DIFFICULTY: easy KEYWORDS: simple random sample, systematic sample 5. True or False: The question: “Have you used any form of illicit drugs over the past 2 months?” will most likely result in measurement error. ANSWER: True TYPE: TF DIFFICULTY: Moderate KEYWORDS: measurement error...
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- Spring '11
- Simple random sample, 20%, 2 months, business statistics class, TF DIFFICULTY