Statisitics online chapter 1 hw

- 1. What level of measurement classifies data into mutually exclusive (nonoverlapping), exhausting categories in which no order or ranking can be imposed on the data?
A) Ratio B) Interval C) Ordinal D) Nominal - 2. Variables with values that are determined by chance are called......
A) data value B) Random variables C) data set D) datum - 3. Each value in a data set may be referred to as either a data value or a ...........
A) data point B) data subset C) Datum - 4. STATISTICS is the science of conducting studies to.......
A) solve a system of equations B) monitor, study, and report on a subject. C) hypothesize, experiment, and form conclusions D) collect, organize, summarize, analyze, and draw conclusions from data - 5. If you classified the fruit in a basket as apple, orange, or banana, this would be an example of which level of measurement?
A) Interval B) Nominal C) Ratio D) Ordinal - 6. The amount of time needed to run the DUBAI marathon is an example of which type of variable?
A) Discrete B) Continuous C) Qualitative - 7. What level of measurement possesses all the characteristics of interval measurement, and there exists a true zero?
A) Nominal B) Ordinal C) Interval D) Ratio - 8. What level of measurement would be applied when doing a survey on the average American's shoe size?
A) Interval B) Nominal C) Ratio D) Ordinal - 9. ...........(Quantitative/Qualitative)can be placed into distinct categories according to some characteristic or attribute.
- 10. ............. Quantitative/Qualitative)are numerical in nature and can be ordered or ranked.
- 11. Numbers printed on the T-shirt of football players are measures at the( Nominal/Ordinal/Ratio/Interval) ............ level
- 12. Rankings (1st, 2nd, 3rd) are measures at the ............( Nominal/Ordinal/Ratio/Interval) level
- 13. In interval measurement the distance between values DOES NOT have meaning.
A) False B) True - 14. Rain fall is an example of ......( Nominal/Ordinal/Ratio/Interval).level
- 15. ............ are the most common method of collecting data.
- 16. ................( Systematic /Stratified Random/ Cluster ) samples are selected using chance methods
- 17. Researchers obtain ....................samples by numbering each subject of the populations and then selecting every k
^{th}number
A) Random B) cluster C) stratified D) systematic - 18. Researchers select ..............by dividing the population into groups according to some characteristic that is important to the study, then sampling from each group.
A) stratified samples B) cluster samples C) Random samples D) systematic samples - 19. A group of subjects selected from the group of allsubjects under study is called a ...........
A) Population B) Data sat C) datum D) Sample - 20. The height of BURJ KHALIFA building is an example of ..............
A) a qualitative data. B) a quantitative data. C) neither quantitative nor qualitative D) both qualitative and quantitative . - 21. Data that can be classified according to color aremeasured on what scale?
A) Ratio B) Nominal C) Ordinal D) Interval - 22. A researcher divided subjects into two groups according to gender and then selected members from each group for her sample. What sampling method was the researcher using?
A) Cluster B) Random C) Systematic D) Stratified - 23. What is the term for a characteristic or attribute that can assume different values?
- 24. If a variable has possible values 1/2, 6.2, and 1.9, then this variable is
A) neither a continuous nor a discrete variable B) both a continuous and a discrete variable C) a discrete variable D) a continuous variable - 25. Which statement below is false?
A) Data that can only be classified into categories is referred to as nominal level of measurement B) The number of robberies reported in a city is an example of discrete data. C) Zip codes are an example of qualitative data. D) A sample is a collection of all-possible individuals, objects or measurements of interest. - 26. For the following statement, decide whether descriptive or inferential statistics is used. " The average life expectancy in New Zealand is 78.49 years."
A) Neither descriptive nor inferential statistics B) Both descriptive and inferential statistics C) Descriptive D) Inferential statistics - 27. All of the following are examples of Qualitative data EXCEPT:
A) Grades of Cluster Subjects of G12 students B) Marital status (single, married, divorce, etc) C) Type of a car D) Grades of Core subjects of G12 students - 28. A variable is a characteristic or attribute that can assume different values. Based on this definition answer the following question: All of the following are examples of variable EXCEPT:
A) The temperature B) The height of a maple tree. C) The weight of a student D) The height of BURJ KHALIFA building - 29. For the following statement, which statistics is used? “In 2013, the number of IAT graduates will be 3.2 thousands students“
A) Descriptive B) Inferential - 30. In Interval measurement the distance between values DOES NOT have meaning.
A) False B) True - 31. In Ordinal measurement the distance between values DOES NOT have meaning.
A) True B) False - 32. Read the following information about the transportation industry and answer the questions. The chart on Picture shows the number of job-related injuries for each of the transportation industries for 1998. What are the variables under study?
A) Number of injuries Only B) 4520, 5100, 6850, 7144, 9950 and Railroad , Intercity bus, Subway , Trucking , Airline C) Industry Only D) 4520, 5100, 6850, 7144, 9950 Only E) Industry and Number of injuries - 33. Read the following information about the transportation industry and answer the questions. The chart on Picture shows the number of job-related injuries for each of the transportation industries for 1998. What are the data in the study?
A) 4520, 5100, 6850, 7144, 9950 Only B) Number of injuries Only C) Industry Only D) 4520, 5100, 6850, 7144,4520, 5100, 6850, 7144, 9950 and Railroad , Intercity bus, Subway , Trucking , Airline 9950 E) Industry and Number of injuries - 34. Zip Codes is an example of .............. level
- 35. Temperature(temperature in centigrade (in Fahrenheit)is an example of .............. level
A) Interval B) Ratio C) Ordinal D) Nominal - 36. The production of tomatoes by weight is an example of .............. data
A) Discrete B) Continuous - 37. The production of tomatoes by number of cans is an example of .............. data
A) Discrete B) Continuous - 38. Numbers printed on the T-shirt players is an example of ........................ data
A) Continuous Quantitative B) Qualitative C) Quantitative D) Discrete Quantitative - 39. Numbers printed on the T-shirt players is an example of ........................ level
A) Interval B) Ratio C) Ordinal D) Nominal - 40. U.A.E Population is an example of ................... data
A) Discrete B) Continuos |

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