7. From the list below, select the type of statistical misrepresentation in each of the statements...
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7. From the list below, select the type of statistical misrepresentation in each of the statements below. Write the letter corresponding to the answer of your choice in each box. Sources of data Data collection methods Data analysis and representation A) time of study (Is it current?) C) sampling bias B) person/group conducting the study D) measurement bias E) non-response bias I) small sample size, or the sample size is unknown J) misleading graphs K) assumed relationship (i.e. assumed correlation as causation) F) response bias G) leading question H) loaded question a) Health Foods Inc. conducted a survey on eating habits by sending an employee to solicit responses from people lining up at its food-stall location in the shopping mall food court. b) The price of bread increased by 8% over the past 5 years. In the same time span, tourism has also increased. Therefore, tourism has caused the price of bread to increase. c) A 1987 study found that there are 5 times as many break-ins in urban areas as there are in rural areas today. d) Why are colourful advertisements more attractive than black-and-white ones? e) To determine the level of satisfaction amongst 250 of its employees, BizNext asked 15 randomly chosen employees to complete an anonymous questionnaire online. 8. According to a TV commercial, 4 out of every 5 dentists recommend using the toothpaste WhiteT. Assuming the cited statistic is valid, apply it to a group of 45 dentists to calculate the number of dentists who will not recommend this toothpaste 7. From the list below, select the type of statistical misrepresentation in each of the statements below. Write the letter corresponding to the answer of your choice in each box. Sources of data Data collection methods Data analysis and representation A) time of study (Is it current?) C) sampling bias B) person/group conducting the study D) measurement bias E) non-response bias I) small sample size, or the sample size is unknown J) misleading graphs K) assumed relationship (i.e. assumed correlation as causation) F) response bias G) leading question H) loaded question a) Health Foods Inc. conducted a survey on eating habits by sending an employee to solicit responses from people lining up at its food-stall location in the shopping mall food court. b) The price of bread increased by 8% over the past 5 years. In the same time span, tourism has also increased. Therefore, tourism has caused the price of bread to increase. c) A 1987 study found that there are 5 times as many break-ins in urban areas as there are in rural areas today. d) Why are colourful advertisements more attractive than black-and-white ones? e) To determine the level of satisfaction amongst 250 of its employees, BizNext asked 15 randomly chosen employees to complete an anonymous questionnaire online. 8. According to a TV commercial, 4 out of every 5 dentists recommend using the toothpaste WhiteT. Assuming the cited statistic is valid, apply it to a group of 45 dentists to calculate the number of dentists who will not recommend this toothpaste
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