Question

The value in a data set that is quite different from the remaining values of the data set is known as .

Answer 1

An outlier is that value of the data set which is quite different from the remaining values.

For example: The data for the sale of umbrellas on $6$ consecutive days is recorded and depicted as follows:


Here, for most of the days the number of umbrellas sold lies within the range of $3$ to $7$, except for the value $20$ which is very different from the other values.

Thus, for this data set the outlier is $20$.