Homework 1_Answer.pdf - STT 231 HOMEWORK 1 Answers Use the following to answer questions 1 to 2 A study is conducted on students taking a statistic

Homework 1_Answer.pdf - STT 231 HOMEWORK 1 Answers Use the...

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STT 231 HOMEWORK 1 Answers Use the following to answer questions 1 to 2:A study is conducted on students taking a statistic class. Several variables are recorded in the survey. Identify each variable as categorical or quantitative. 1.Type of car the student owns. A) Categorical B) Quantitative. 2. The time the student waited in line at the bookstore to pay for his/her textbooks. A) Categorical B) Quantitative. A pie chart of the departments in the school/college from which the 1100 sampled students graduated is shown below.
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3.Based on the graph, (approximately) how many of the sampled students graduated with a degree in Building/Construction or Architecture? Use the following to answer questions 4 &5A study is being conducted on air quality at a small college in the South. As part of this study, monitors were posted at every entrance to this college from 6 A.M. to 10 P.M. on a randomly chosen day. The monitors recorded the mode of transportation used by each person as they entered the campus. Based on the information recorded, the following bar graph was constructed. .2%25.5%1.2%.2%29.3%5.0%.9%37.7%Fine ArtsEngineeringEducationForestryBusiness Admin.Building/Constr.ArchitectureAgriculture
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4.Approximately what percentage of people entering campus on this particular day arrived by car?
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  • Spring '08
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