Answer:
The mean of a data set is the sum of the values divided by the number of values.
The median of a data set is the middle value when the values are written in numerical order. If a data set has an even number of values, the median is the mean of the two middle values.
The mode of a data set is the value that occurs most often. A data set can have no mode, one mode, or more than one mode.
The range of a data set is the difference between the largest and smallest values in the set.
Step-by-step explanation: