MAT 300 Unit 1 Challenges Sophia MAT300 Unit 1 Challenges Sophia

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a.) deliberate b.) response c.) selection d.) non-response c.)Incorrect. Since the study focuses on customers and they were asking them as they left the store, it is not a selection issue.  Since the bias was created from the responses of the customers, it is a response bias. Select the example that represents self-selected sampling. a.) Naomi goes door to door asking questions in a neighborhood that might be a good fit for the restaurant. b.) Naomi asks the same survey question to everyone who comes to the restaurant. c.) Naomi posts a request for survey volunteers on the restaurant's Facebook page. d.) Naomi asks a few questions whenever she thinks a customer seems friendly.  To be self-selected, a person must volunteer to be part of the study. Here Naomi voluntarily enters the study. Select the example that represents convenience sampling. a.) George asks every 10th customer to fill out a survey. b.) George asks the same survey question to the first 20 customers to visit the food truck. c.) George hangs flyers for volunteers to answer questions for the survey on various streets and convenience stores throughout the city. d.) George offers a free cookie to anyone who agrees to answer the survey questions. a.)Incorrect. See above explanation - this seems to be an example of a convenience sample. Samples might have elements of other bias as well as being a convenience sample.  Since the first 20 people are asked due to the ease of asking them, this is an example of a convenience sample. We probably can assume the first 20 customers might not be like later customers. Select the example that represents self-selected sampling. a.) Aaron mails survey questions to all of the customers who signed up to receive offers and updates from his clothing store. b.)


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