The Population Mean is:a. the median value of the observations in the populationb. the most common value in the populationc. the arithmetic mean of all of the values in the populationd. is pronounced “moo” (like the sound a cow makes)
The correct answer is c
C. the arithmetic mean of all of the values in the population
The population mean is a measure of central tendency that represents the average value of the data in a population. It is calculated by summing up all the values in the population and then dividing it by the total number of observations.
Unlike the median, which represents the middle value when the data is arranged in ascending or descending order, and the mode, which represents the most frequent value, the population mean takes into account every value in the population and calculates their average.
Using the population mean allows us to understand the overall “typical” value for a certain population. For example, if we are studying the heights of all students in a school, the population mean would give us an average height that represents the typical height of all students in that school.
It’s important to note that the population mean can be influenced by outliers, extreme values that are significantly different from the majority. Therefore, it is sometimes helpful to consider other measures of central tendency, such as the median, when the data contains outliers to get a more accurate representation of the data’s central tendency.
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