Item # 2 and 3 Author Lane Chapter Ch 1 Page # 62 Question # 6 and 7 6. Categori
ID: 3350672 • Letter: I
Question
Item # 2 and 3 Author Lane Chapter Ch 1 Page # 62 Question # 6 and 7
6. Categorize the following variables as being qualitative or quantitative:
7. Specify the level of measurement used for the items in Question 6.
Answer: Complete the chart
Variable
Classify
Qual or Quant
Level of Measurement
Nominal, Ordinal, Interval, Ratio
Age
Quant
Country you were born in
Qual
Favorite color
Qual
nominal
Time to respond to a question
Quant
Work: Provide supporting comments for your answers
Age: Age can be measured
Country you were born in: There is no measurement for country of birth
Favorite color: No scale of measurement for color
Time to respond to a question: Time can be measured
Item # 4 thru 8 Author Illowsky Chapter Ch 1 Page # 53 Question # 53, 54, 56, 58,
For the following exercises, identify the type of data that would be used to describe a response (quantitative discrete, quantitative continuous, or qualitative), and give an example of the data.
53. number of tickets sold to a concert
54. percent of body fat
56. time in line to buy groceries
58. most-watched television show
Answer: Complete the chart
Variable
Classify
Qual or Quant
Classify
Discrete, Continuous, NA*
Number of tickets sold to a concert
Percent of body fat
Time in line to buy groceries
Most watched Television show
Age of executives in Fortune 500 companies
* Na (not applicable)
Work: Provide supporting comments for your answers
Number of tickets sold to a concert
Time in line to buy groceries
Most watched Television show
Item # 9 Author Illowsky Chapter Ch 1 Page # 54 Question # 71
71. The instructor takes her sample by gathering data on five randomly selected students from each Lake Tahoe Community College math class. The type of sampling she used is
a. cluster sampling
b. stratified sampling
c. simple random sampling
d. convenience sampling
Answer: The type of sampling used is:
Circle or highlight the correct answer
Cluster sampling
Stratified sampling
Simple random sampling
Convenience sampling
Work: Provide supporting comments for your answers
Item # 10 Author Illowsky Chapter Ch 1 Page # 54 Question # 73
73. Name the sampling method used in each of the following situations:
a. A woman in the airport is handing out questionnaires to travelers asking them to evaluate the airport’s service. She does not ask travelers who are hurrying through the airport with their hands full of luggage, but instead asks all travelers who are sitting near gates and not taking naps while they wait.
b. A teacher wants to know if her students are doing homework, so she randomly selects rows two and five and then calls on all students in row two and all students in row five to present the solutions to homework problems to the class.
c. The marketing manager for an electronics chain store wants information about the ages of its customers. Over the next two weeks, at each store location, 100 randomly selected customers are given questionnaires to fill out asking for information about age, as well as about other variables of interest.
d. The librarian at a public library wants to determine what proportion of the library users are children. The librarian has a tally sheet on which she marks whether books are checked out by an adult or a child. She records this data for every fourth patron who checks out books.
Name the sampling method by selecting the appropriate number:
1. Systematic, 2. Stratified, 3. Stratified Proportional, 4. Cluster, 5. Convenient, 6. Quota, 7. Simple Random)
Provide supporting comments for your answers
Provide supporting comments for your answers
Provide supporting comments for your answers
d.
__________________
Provide supporting comments for your answers
e.
__________________
Provide supporting comments for your answers
Variable
Classify
Qual or Quant
Level of Measurement
Nominal, Ordinal, Interval, Ratio
Age
Quant
Country you were born in
Qual
Favorite color
Qual
nominal
Time to respond to a question
Quant
Explanation / Answer
Variable
Classify
Qual or Quant
Level of Measurement
Nominal, Ordinal, Interval, Ratio
Age
Quant
Ratio
Country you were born in
Qual
Nominal
Favorite color
Qual
nominal
Time to respond to a question
Quant
Ratio
Variable
Classify
Qual or Quant
Classify
Discrete, Continuous, NA*
Number of tickets sold to a concert
Quant
Discrete
Percent of body fat
Quant
Continuous
Time in line to buy groceries
Quant
continuous
Most watched Television show
Qual
NA*
Age of executives in Fortune 500 companies
Quant
Continuous
Number of tickets sold to a concert : The variable takes only non negative integers as 0, 1, 2, ....
Time in line to buy groceries : Time can take any value in the certain interval.
Most watched Television show : Here we can classified Television show
71. The instructor takes her sample by gathering data on five randomly selected students from each Lake Tahoe Community College math class. The type of sampling she used is
a. cluster sampling
b. stratified sampling
c. simple random sampling
d. convenience sampling
Answer: The type of sampling used is: Stratified
Work: In stratified sampling we select random sample from each strata (or from each groups).
Variable
Classify
Qual or Quant
Level of Measurement
Nominal, Ordinal, Interval, Ratio
Age
Quant
Ratio
Country you were born in
Qual
Nominal
Favorite color
Qual
nominal
Time to respond to a question
Quant
Ratio
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