MATH 215 MIDTERM LATEST
EXAM
Statistics - ANSWERS-science of collecting, analyzing, presenting and
interpreting data, as well as making decisions based on such analyses
descriptive statistics - ANSWERS-methods for organizing, displaying
and describing data using tables, graphs and summary measures
data set - ANSWERS-whole set of numbers representing information
element - ANSWERS-subject or object about which information is
collected
Inferential statistics - ANSWERS-methods that use sample results to
help make decisions or predictions about a population
Population - ANSWERS-consists of all elements whose characteristics
are being studied
Sample - ANSWERS-a portion of the population selected for study
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, MATH 215 MIDTERM LATEST
EXAM
Census - ANSWERS-survey that includes every member of the
population
Representative sample - ANSWERS-sample that represents the
characteristics of the population as closely as possible
random sample - ANSWERS-sample drawn in such a way that each
element of the population has a chance of being selected
variable - ANSWERS-characteristic under study that assumes different
values for different elements
observation - ANSWERS-value of a variable for an element
Discrete variable - ANSWERS-variable hose values are countable, and
can assume only certain values with no intermediate values
continuous variable - ANSWERS-variable that can assume any
numerical value over a certain interval
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PAGE
2
EXAM
Statistics - ANSWERS-science of collecting, analyzing, presenting and
interpreting data, as well as making decisions based on such analyses
descriptive statistics - ANSWERS-methods for organizing, displaying
and describing data using tables, graphs and summary measures
data set - ANSWERS-whole set of numbers representing information
element - ANSWERS-subject or object about which information is
collected
Inferential statistics - ANSWERS-methods that use sample results to
help make decisions or predictions about a population
Population - ANSWERS-consists of all elements whose characteristics
are being studied
Sample - ANSWERS-a portion of the population selected for study
END OF
PAGE
1
, MATH 215 MIDTERM LATEST
EXAM
Census - ANSWERS-survey that includes every member of the
population
Representative sample - ANSWERS-sample that represents the
characteristics of the population as closely as possible
random sample - ANSWERS-sample drawn in such a way that each
element of the population has a chance of being selected
variable - ANSWERS-characteristic under study that assumes different
values for different elements
observation - ANSWERS-value of a variable for an element
Discrete variable - ANSWERS-variable hose values are countable, and
can assume only certain values with no intermediate values
continuous variable - ANSWERS-variable that can assume any
numerical value over a certain interval
END OF
PAGE
2
