Exam (elaborations)
SCS-501 Foundation in Statistics (1)
- Institution
- Section 1-Boston Scientific SCS Training Manual
SCS-501 Foundation in Statistics (1)
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SCS-501 Foundation in StatisticsWhat is apopulation? - ANS-A population is the entire group of entities of interest to a
researcher.
What is asample? - ANS-A sample is a portion of the entities of interest that the researcher
uses to gather data.
What is the difference between a population and asample? - ANS-A sample is only a part of a
complete population.
What is a samplestatistic? - ANS-A sample statistic is a numerical value describing some
attribute of a sample.
What is a populationparameter? - ANS-A population parameter is a numerical value describing
some attribute of a population.
What is the difference between a sample statistic and a populationparameter? - ANS-A
population parameter is frequently impractical or impossible to find for largepopulations,
however a sample statistic is often easier to find and provides a reasonable approximation to
the population parameter.
What is the population in the givenproblem? Choose the correct answer below. - ANS-all of the
men in the country
Identify the sample for the given problem. Choose the correct answer below. - ANS-the 1,001
men selected
What is the population parameter in the givenstudy? Choose the correct answer below. -
ANS-The percentage of all men in the country who say that they are in favor.
Identify the sample statistic. Choose the correct answer below. - ANS-46% that said that they
were in favor.
Step #1 Statistical Study - ANS-state the goal of your study precisely. determine the population
you want to study and exactly what you want to learn about it.
Step #2 Statistical Study - ANS-choose a representative sample from the population.
Step #3 Statistical Study - ANS-Collect raw data from the sample, and summarize these data by
finding sample statistics of interest.
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