The missing data item for the given set of data if the median is 14 is 18.
The Median is the "middle" of a sorted list of numbers.
Therefore, the missing data item for the given set of data if the median is 14 can be calculated as follows:
10 10, 11, 11, 12, 12, 14, 15, 16, 18, 19, 19,
Therefore, if you add 18 the middle number of the sorted numbers will be 14.
10 10, 11, 11, 12, 12, 14, 15, 16, 18, 18, 19, 19,
learn more on median here: https://brainly.com/question/12607095
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