Examlex
The degree of change over time in response to differently worded survey questions or in different contexts of a particular opinion is defined as
Sample Statistic
A numerical measure that describes an aspect of a sample of the population data.
Population Parameter
A numerical value that describes a characteristic of the entire population.
Confidence Level
The degree of certainty that a parameter lies within a specified range.
Confidence Interval
A set of values from sample statistics expected to cover the value of a not-yet-known population parameter.
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