Median
Median is a descriptive statistic that researchers commonly use to characterize the data from their studies. Along with the mean (average) and mode, the median constitutes one of the measures of central tendency—a general term for a set of values or measurements located at or near the "middle" of the data set. The median is calculated by sorting the data set from the lowest to highest value and taking the numeric value occurring in the middle of the set of observations. For example, in a data set containing the values 1, 2, 3, 4, 5, 6, 7, 8, and 9, the median would be the value 5 as it is the value within the data set that appears in the middle—with four observations less than ...
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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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