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9. An airline wants to determine customer satisfaction with security measures being taken on its flights. The airline chooses 7 of its flights leaving from a randomly chosen airport. This selection method is: a. multi-stage random sampling b. cluster random sampling c. simple random sampling d. neither cluster nor multi-stage random sampling 10. When can't the value of a quantitative variable be expressed as a number? a. only if the variable is discrete b. only if the variable is continuous c. always d. never 11. A survey of the driving habits for commuters asks the following questions: How many people travel to work of school each day in your primary vehicle? What distance do you commute to work or school? How many vehicles do you own? What did you pay in repairs last year? What is true about the variables measured? a. some are quantitative and some are qualitative b. some are discrete and some are continuous c. all are continuous d. all are qualitative

9. An airline wants to determine customer satisfaction with security measures being taken on its flights. The airline chooses 7 of its flights leaving from a randomly chosen airport. This selection method is: a. multi-stage random sampling b. cluster random sampling c. simple random sampling d. neither cluster nor multi-stage random sampling 10. When can't the value of a quantitative variable be expressed as a number? a. only if the variable is discrete b. only if the variable is continuous c. always d. never 11. A survey of the driving habits for commuters asks the following questions: How many people travel to work of school each day in your primary vehicle? What distance do you commute to work or school? How many vehicles do you own? What did you pay in repairs last year? What is true about the variables measured? a. some are quantitative and some are qualitative b. some are discrete and some are continuous c. all are continuous d. all are qualitative

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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9. An airline wants to determine customer satisfaction with security measures being taken on its flights. The airline chooses 7 of its flights leaving from a randomly chosen airport. This selection method is: a. multi-stage random sampling b. cluster random sampling simple random sampling d. neither cluster nor multi-stage random sampling C. 10. When can't the value of a quantitative variable be expressed as a number? a. only if the variable is discrete b. only if the variable is continuous c. always d. never 11. A survey of the driving habits for commuters asks the following questions: How many people travel to work of school each day in your primary vehicle? What distance do you commute to work or school? How many vehicles do you own? What did you pay in repairs last year? What is true about the variables measured? a. some are quantitative and some are qualitative b. some are discrete and some are continuous C. all are continuous d. all are qualitative 12. The following graph may be misleading because the A Loaded Coin 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0.00 Heads Tails Coin Toss a. vertical scale has a small range of values b. type of coin is not specified c. number of tosses is not specified d. title is misleading 13. In a secondary school, there are 5 classes of grade 9 academic mathematics. The classes are labelled A, B, C, D, and E. Each class has 30 students. In each class, the students are numbered from 1 to 30. The label A06 indicates the sixth student in class A. A random sample of 10 students enrolled in grade 9 academic mathematics at this school results in the following students being selected: АO5, A20, ВO5, В20, СО5, С20, DO5, D20, E05, E20 Which sampling method could not have been used? a. Simple random sampling b. Stratified sampling c. Cluster sampling d. Systemic random sampling telative Frequency
Transcribed Image Text:9. An airline wants to determine customer satisfaction with security measures being taken on its flights. The airline chooses 7 of its flights leaving from a randomly chosen airport. This selection method is: a. multi-stage random sampling b. cluster random sampling simple random sampling d. neither cluster nor multi-stage random sampling C. 10. When can't the value of a quantitative variable be expressed as a number? a. only if the variable is discrete b. only if the variable is continuous c. always d. never 11. A survey of the driving habits for commuters asks the following questions: How many people travel to work of school each day in your primary vehicle? What distance do you commute to work or school? How many vehicles do you own? What did you pay in repairs last year? What is true about the variables measured? a. some are quantitative and some are qualitative b. some are discrete and some are continuous C. all are continuous d. all are qualitative 12. The following graph may be misleading because the A Loaded Coin 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0.00 Heads Tails Coin Toss a. vertical scale has a small range of values b. type of coin is not specified c. number of tosses is not specified d. title is misleading 13. In a secondary school, there are 5 classes of grade 9 academic mathematics. The classes are labelled A, B, C, D, and E. Each class has 30 students. In each class, the students are numbered from 1 to 30. The label A06 indicates the sixth student in class A. A random sample of 10 students enrolled in grade 9 academic mathematics at this school results in the following students being selected: АO5, A20, ВO5, В20, СО5, С20, DO5, D20, E05, E20 Which sampling method could not have been used? a. Simple random sampling b. Stratified sampling c. Cluster sampling d. Systemic random sampling telative Frequency
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