connest plus attempt 2

# connest plus attempt 2 - Which of the following can be...

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Unformatted text preview: Which of the following can be reduced by proper interviewer training? Student Response Value A.sampling error B.measurement error C.both of the above D.none of the above Score: 0/2 2. Which of the following is not an element of descriptive statistical problems? Student Response Value A.an inference made about the population based on the sample B.the population or sample of interest C.tables, graphs, or numerical summary tools D.identification of patterns in the data Score: 0/2 3. Which of the 4 methods of data collection is involved when a person counts the number of cars passing designated locations on the Los Angeles freeway system? Student Response Value A.published sources Student Response Value B.experimentation C.surveying D.observation Score: 0/2 4. Researchers are concerned that the weight of the average American school child is increasing, implying, among other things, that children's clothing should be manufactured and marketed in larger sizes. If X is the weight of school children sampled in a nationwide study, then X is an example of Student Response Value A.a categorical random variable. B.a discrete random variable. C.a continuous random variable. D.a parameter. Score: 0/2 5. Tim was planning for a meeting with his boss to discuss a raise in his annual salary. In preparation, he wanted to use the Consumer Price Index to determine the percentage increase in his real (inflation-adjusted) salary over the last three years. Which of the 4 methods of data collection was involved when he used the Consumer Price Index? Student Response Value A.published sources Student Response Value B.experimentation C.surveying D.observation Score: 0/2 6. TABLE 2-5 The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long- distance carrier. Referring to Table 2-5, if 100 calls were randomly sampled, __________ of them would have lasted at least 15 minutes but less than 20 minutes Student Response Value A.0.10 B.0.16 C.10 D.16 Score: 0/3 7. TABLE 2-6 A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result. Referring to Table 2-6, __________ percent of the students in the sample went bar hopping the weekend before the midterm and did well on the midterm....
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## This note was uploaded on 03/07/2012 for the course BUS 603 taught by Professor Rosnin during the Spring '12 term at Rutgers.

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connest plus attempt 2 - Which of the following can be...

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