In your own words, describe to someone who knows only a little statistics how to recognize when an observation is an outlier. What action(s) should be taken with an outlier? b. Which measure of the center (mean or median) is more resistant to outliers, and what does "resistant to outliers" mean?
In statistics, three measures of central tendency are widely used. These three measures are also called the measures of location. These are:
Median
Mode
Mean
These could be defined as:
Mean is generally represented as total sum of all observations divided by number of observations. It tells the on an average value for the whole data set. It is most commonly used measure of central tendency. It includes each and every observation. This makes the mean value sensitive to outliers as it is affected by them.
Median is one of the measure of central tendency which is used to describe the average value of data set.
Mode is the value that happens frequently in the provided data set. Mode represents a most common value of data set and it can be calculated by finding the most occurred value in a date set.
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