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#has-images #quantitative-methods-basic-concepts #statistics
Population Mean
The population mean is the average for a finite population. It is unique; a given population has only one mean.
where:
- N = the number of observations in the entire population
- Xi = the ith observation
- ΣXi = add up Xi, where i is from 0 to N
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Subject 4. Measures of Center Tendency
Measures of central tendency specify where data are centered. They attempt to use a typical value to represent all the observations in the data set. Population Mean The population mean is the average for a finite population. It is unique; a given population has only one mean. where: N = the number of observations in the entire population X i = the ith observation ΣX i = add up X i , where i is from 0 to N Sample Mean The sample mean is the average for a sample. It is a statistic and is used to estimate the population mean.
Subject 4. Measures of Center Tendency
Measures of central tendency specify where data are centered. They attempt to use a typical value to represent all the observations in the data set. Population Mean The population mean is the average for a finite population. It is unique; a given population has only one mean. where: N = the number of observations in the entire population X i = the ith observation ΣX i = add up X i , where i is from 0 to N Sample Mean The sample mean is the average for a sample. It is a statistic and is used to estimate the population mean.
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