1 | P a g e | © copyright 2024/2025 | Grade A+
BUAL 2600 Yan Exam 1 Questions
and Answers 2024/2025
Data
✓ Facts and figures from which conclusions can be drawn
Data Set
✓ The data that are collected for a particular study
Variable
✓ any characteristic of an element
Quantitative Variables
✓ The possible measurements of the values of a variable are numbers
that represent quantities
✓ Ex: Age
Qualitative (Categorical) Variables
✓ Labels or names used to identify an attribute of each element
✓ Ex: Names, addresses, phone numbers
Master01 | September, 2024/2025 | Latest update
, 1 | P a g e | © copyright 2024/2025 | Grade A+
Cross Sectional Data
✓ Data collected at. the same time or approximately the same time
Time Series Data
✓ Data collected over different time periods
Population
✓ A set of all elements about which we draw conclusions
Sample
✓ A. subset of all the elements in a population
Probability Sampling
✓ Sampling where we know the change that each element in the
population will be included in the sequence
convience sampling
✓ sampling where we select elements because they are convenient to
sample
✓ not a probability sample
Master01 | September, 2024/2025 | Latest update
, 1 | P a g e | © copyright 2024/2025 | Grade A+
voluntary response sampling
✓ samples in which participants self-select
✓ -frequently used by radio and television
✓ -over represent people with strong opinions
judgements sampling
✓ samples in which a person who is extremely knowledgable about the
population selects population elements he or she feels are most
representative
nominative variable
✓ a qualitative variable for which there is no meaningful ordering, or
ranking, of the categories
✓ Ex: gender, car color
ordinal variable
✓ A qualitative variable for which there is a meaningful ordering or
ranking of the categories.
✓ Ex: teaching effectiveness
interval variable
Master01 | September, 2024/2025 | Latest update
BUAL 2600 Yan Exam 1 Questions
and Answers 2024/2025
Data
✓ Facts and figures from which conclusions can be drawn
Data Set
✓ The data that are collected for a particular study
Variable
✓ any characteristic of an element
Quantitative Variables
✓ The possible measurements of the values of a variable are numbers
that represent quantities
✓ Ex: Age
Qualitative (Categorical) Variables
✓ Labels or names used to identify an attribute of each element
✓ Ex: Names, addresses, phone numbers
Master01 | September, 2024/2025 | Latest update
, 1 | P a g e | © copyright 2024/2025 | Grade A+
Cross Sectional Data
✓ Data collected at. the same time or approximately the same time
Time Series Data
✓ Data collected over different time periods
Population
✓ A set of all elements about which we draw conclusions
Sample
✓ A. subset of all the elements in a population
Probability Sampling
✓ Sampling where we know the change that each element in the
population will be included in the sequence
convience sampling
✓ sampling where we select elements because they are convenient to
sample
✓ not a probability sample
Master01 | September, 2024/2025 | Latest update
, 1 | P a g e | © copyright 2024/2025 | Grade A+
voluntary response sampling
✓ samples in which participants self-select
✓ -frequently used by radio and television
✓ -over represent people with strong opinions
judgements sampling
✓ samples in which a person who is extremely knowledgable about the
population selects population elements he or she feels are most
representative
nominative variable
✓ a qualitative variable for which there is no meaningful ordering, or
ranking, of the categories
✓ Ex: gender, car color
ordinal variable
✓ A qualitative variable for which there is a meaningful ordering or
ranking of the categories.
✓ Ex: teaching effectiveness
interval variable
Master01 | September, 2024/2025 | Latest update
