Confidence Level
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In statistical inference, it is common practice to report the point estimate of a population parameter along with its standard error (square root of the variance). Often, the point estimator and its standard error are combined by adding and subtracting from the point estimate a multiple of the standard error to obtain an interval estimator. Suppose θ denotes an estimator of θ and v(


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Reader's Guide
Ethical Issues In Survey Research
Measurement - Interviewer
Measurement - Mode
Measurement - Questionnaire
Measurement - Respondent
Measurement - Miscellaneous
Nonresponse - Item-Level
Nonresponse - Outcome Codes And Rates
Nonresponse - Unit-Level
Operations - General
Operations - In-Person Surveys
Operations - Interviewer-Administered Surveys
Operations - Mall Surveys
Operations - Telephone Surveys
Political And Election Polling
Public Opinion
Sampling, Coverage, And Weighting
Survey Industry
Survey Statistics
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