Add it all together, and then divide it by the number of data entries that there are.
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The ________________ of the ungrouped data is the value that most frequently appears in a set of data.
Suppose you compare the mean of raw data and the mean of the same raw data grouped into a frequency distribution. These two means will be
Mean and median are the measures of central location that always have one value. This is true for a set of grouped or ungrouped data.
A frequency distribution of numerical data where the raw data is not grouped.
The population data may be skewed and thus the mean is not a valid statistic. If mean > median, the data will be skewed to the right. If median > mean, the data is skewed to the left.