Test 1 Version A Fall 2010

Test 1 Version A Fall 2010 - QUESTIONS 1-4: A shoe company...

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QUESTIONS 1-4 : A shoe company with stores in several locations decides to start offering shoes for sale online. However, online sales have been sluggish, so management decides to investigate whether potential customers are hesitant about buying an item of clothing without trying it on. It has a list of customers who have enrolled in its buyers reward program. For each of its stores, 20 customers are randomly selected and contacted regarding their opinion. 1. Identify the population parameter: A. The percentage of potential customers who are hesitant about buying shoes without trying them B. The percentage of customers contacted who are hesitant about buying shoes without trying them C. All customers who have bought shoes from this store. D. All potential customers, i.e., people who are considering buying shoes from this store E. All customers who belong to the frequent buyers reward program 2. Identify the sampling frame: A. The percentage of potential customers who are hesitant about buying shoes without trying them B. The percentage of customers contacted who are hesitant about buying shoes without trying them C. All customers who have bought shoes from this store. D. All potential customers, i.e., people who are considering buying shoes from this store E. All customers who belong to the frequent buyers reward program 3. This type of survey design is called: A. Simple random sample B. Stratified sample C. Cluster sample D. Systematic sample E. Census 4. The company is also considering the following survey design. They will distribute survey forms to all people who enter their stores, as well as post the questionnaire online. All people who submit a survey form will be entered into a drawing for a free pair of shoes. Which one of the following statements is the most accurate: A. This survey design will yield reliable results since many people would like a free pair of shoes. B. This survey design will yield reliable results because everybody has the opportunity to participate and no specific group is excluded. C. This survey design should not be trusted to give reliable results due to nonresponse bias. D. This survey design should not be trusted to give reliable results due to voluntary response bias. E. The only way to know if this survey will work is to conduct a small scale pilot test. _______________________________________________________________________________ 1
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5. A survey was done of employees at a certain company to determine the effect of education on salary. Employees were asked to provide their salary ($ thousands), highest level of education attained ( incomplete high school, high school, some college, undergraduate degree, graduate/professional degree) , and most recent GPA. Which of the following statements are true: I. Salary is a categorical variable II. Level of education is a categorical variable III. GPA is a discrete variable A. I and II only. B. II only.
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This note was uploaded on 01/10/2012 for the course MIST 3000 taught by Professor Kim during the Fall '11 term at University of Georgia Athens.

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Test 1 Version A Fall 2010 - QUESTIONS 1-4: A shoe company...

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