Numerical summaries
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determine the number of individuals that fall into each category and then
calculate the percentage in each category
response variable
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dependent variable
interquartile range (IQR)
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difference between upper and lower quartile, Q3-Q1
Principe 3
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it is possible for a representative sample of only a thousand, or, in some
cases, even only a few hundred, to give reasonably accurate information
about a population of many millions.
Frequency
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the count of occurrences
sample data
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when daya had only been collected from a subset of a population, always
relates to statistics
Principle 4
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determine the number of individuals that fall into each category and then
calculate the percentage in each category
response variable
Give this one a try later!
dependent variable
interquartile range (IQR)
, Give this one a try later!
difference between upper and lower quartile, Q3-Q1
Principe 3
Give this one a try later!
it is possible for a representative sample of only a thousand, or, in some
cases, even only a few hundred, to give reasonably accurate information
about a population of many millions.
Frequency
Give this one a try later!
the count of occurrences
sample data
Give this one a try later!
when daya had only been collected from a subset of a population, always
relates to statistics
Principle 4
