Examlex
In ________,the researcher provides a choice of answers,and respondents are asked to select one or more of the alternatives given.
Sample Size
The count of observations or duplicates that are part of a statistical sample.
Confidence Interval
A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter at a given confidence level.
Confidence Level
The probability, expressed as a percentage, that a parameter lies within a specified range of values (confidence interval).
Confidence Interval
A range of values, derived from the sample data, within which the true population parameter is expected to lie, with a given level of confidence.
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