MATH 218 Exam with Questions and
Answers
population ANSWER a well-defined collection of objects that are of interest
variable ANSWER a characteristic that can have different values for different objects in the
population (this need not be numerical)
data ANSWER a collection of facts about a population
bivariate data ANSWER contains 2 variables
multivariate data ANSWER contains more than 2 variables
quantitative data ANSWER data that can be counted or measured
qualitative data ANSWER information that describes something
concrete population ANSWER a well-defined collection of objects that are of interest and
currently exists (you can get your hands on it)
conceptual population or hypothetical population ANSWER a population that does not
currently exist but can be imagined (it exists in your mind/in the future and is used for
predictions)
census ANSWER data for all objects in the population
Answers
population ANSWER a well-defined collection of objects that are of interest
variable ANSWER a characteristic that can have different values for different objects in the
population (this need not be numerical)
data ANSWER a collection of facts about a population
bivariate data ANSWER contains 2 variables
multivariate data ANSWER contains more than 2 variables
quantitative data ANSWER data that can be counted or measured
qualitative data ANSWER information that describes something
concrete population ANSWER a well-defined collection of objects that are of interest and
currently exists (you can get your hands on it)
conceptual population or hypothetical population ANSWER a population that does not
currently exist but can be imagined (it exists in your mind/in the future and is used for
predictions)
census ANSWER data for all objects in the population
