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Stats 2220 Clemson Exam Questions
and Answers 100% Pass
Statistics - ✔✔the science concerned with the collection, organization, and analysis of information
unit - ✔✔object (person, animal, thing) described by a set of data
population of units - ✔✔collection of all units of interest
sample of units - ✔✔collection of selected units (specific amount surveyed)
Variable - ✔✔characteristic of individuals that can take different values for different individuals
Qualitative - ✔✔categories (opinions)
Quantitative - ✔✔numbers with an order of a magnitude
observational studies - ✔✔you observe individuals and measure variables of interest, no attempt is made
to influence the responses, observer looks for patterns, describes
sample surveys - ✔✔type of study in which a selected group is surveyed because they represent the
entire group
parameter - ✔✔population
statistic - ✔✔sample
census - ✔✔type of study that attempts to include the population of units
experiments - ✔✔drawing conclusions, cause and effect
Emily Charlene © 2025, All Rights Reserved.
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Statistics in Society - ✔✔Who? Why? How?
Guessing - ✔✔can be an obvious guess, have a component based on guessing, "dark figure"
defining - ✔✔what exactly is the social problem?
measuring - ✔✔definitions influence what will be counted or measured
convenience sampling - ✔✔at the right place at the right time
voluntary response sampling - ✔✔self-selection
good statistics - ✔✔based on clear, reasonable definitions, measures, and samples
statistics in government - ✔✔influence governmental policy
unemployment rates - ✔✔if someone has not looked for employment the last four weeks then they are
not considered unemployed
unemployment rates calculations - ✔✔(# of unemployed)/(# of unemployed + # of employed) x 100
or
(# of unemployed)/(# of labor force) x 100 =sample proportion
establishment survey - ✔✔gathers data from companies and then estimates how many Americans have
payroll jobs
household survey - ✔✔survey of households to determine how many people are working and produce
unemployment rate
Emily Charlene © 2025, All Rights Reserved.
Stats 2220 Clemson Exam Questions
and Answers 100% Pass
Statistics - ✔✔the science concerned with the collection, organization, and analysis of information
unit - ✔✔object (person, animal, thing) described by a set of data
population of units - ✔✔collection of all units of interest
sample of units - ✔✔collection of selected units (specific amount surveyed)
Variable - ✔✔characteristic of individuals that can take different values for different individuals
Qualitative - ✔✔categories (opinions)
Quantitative - ✔✔numbers with an order of a magnitude
observational studies - ✔✔you observe individuals and measure variables of interest, no attempt is made
to influence the responses, observer looks for patterns, describes
sample surveys - ✔✔type of study in which a selected group is surveyed because they represent the
entire group
parameter - ✔✔population
statistic - ✔✔sample
census - ✔✔type of study that attempts to include the population of units
experiments - ✔✔drawing conclusions, cause and effect
Emily Charlene © 2025, All Rights Reserved.
, 2|Page
Statistics in Society - ✔✔Who? Why? How?
Guessing - ✔✔can be an obvious guess, have a component based on guessing, "dark figure"
defining - ✔✔what exactly is the social problem?
measuring - ✔✔definitions influence what will be counted or measured
convenience sampling - ✔✔at the right place at the right time
voluntary response sampling - ✔✔self-selection
good statistics - ✔✔based on clear, reasonable definitions, measures, and samples
statistics in government - ✔✔influence governmental policy
unemployment rates - ✔✔if someone has not looked for employment the last four weeks then they are
not considered unemployed
unemployment rates calculations - ✔✔(# of unemployed)/(# of unemployed + # of employed) x 100
or
(# of unemployed)/(# of labor force) x 100 =sample proportion
establishment survey - ✔✔gathers data from companies and then estimates how many Americans have
payroll jobs
household survey - ✔✔survey of households to determine how many people are working and produce
unemployment rate
Emily Charlene © 2025, All Rights Reserved.
