Which of the following cannot be determined graphically?

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Mean

Median

Mode

None of these

answer is A.

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Detailed Solution

Mean, mode and median represent the central tendency of mathematical data.
Option 1: Mean. Mean is the arithmetic average of a data set. This is found by adding the numbers in a data set and dividing by the number of observations in the data set.
Therefore, the mean cannot be determined graphically.
Option 2: The median is the middle number in a data set when the numbers are listed in either ascending or descending order. So, the median can be determined graphically.
Option 3: The mode is the value that occurs the most often in a data set and the range is the difference between the highest and lowest values in a data set. The mode can also be determined graphically.
Therefore, the correct answer is option 1.

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