The skew of the data distribution

Skew: The long tail on one side or the other of the peak of the data

The Mean and Median

Mean: The average of the data

Median: The number in the middle of the data

The Range and Interquartile Range

Range: The difference between the highest and lowest data values

Interquartile Range: The difference between the range of values of a frequency distribution between the first and third quartiles