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Stats 2220 Clemson Exam Questions and Answers 100% Pass
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  • Clemson Biol 2220

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 -...

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  • January 8, 2025
  • 5
  • 2024/2025
  • Exam (elaborations)
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  • stats 2220 clemson exam questions and answers 100

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  • Clemson Biol 2220
  • Clemson Biol 2220

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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




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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




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