Data and Statistics Vocabulary

Mean

• The average of a set of numbers, calculated by dividing the sum of the values by the number of values.

• The total sum of a set of numbers without any division.

• The highest value in a set of numbers.

• The difference between the highest and lowest values in a set of numbers.

Second Quartile

• The average of the data set

• The median of the data set, also known as Q2.

• The mode of the data set

• The range of the data set

Minimum

• The largest value in a data set.

• The average value in a data set.

• The smallest value in a data set.

• The median value in a data set.

Median

• The average of a list of numbers.

• The middle value in a list of numbers, which separates the higher half from the lower half.

• The largest value in a list of numbers.

• The smallest value in a list of numbers.

Interquartile Range

• The average of the first and third quartiles.

• The difference between the third quartile and the first quartile, representing the range of the middle 50% of the data.

• The median of the entire dataset.

• The range of the entire dataset.

Mean Absolute Deviation

• The average of the absolute differences between each data point and the mean of the data set.

• The sum of all data points divided by the number of data points.

• The difference between the highest and lowest values in a data set.

• The average of the squared differences between each data point and the mean of the data set.

Third Quartile

• The value below which 50% of the data falls, also known as Q2.

• The value below which 25% of the data falls, also known as Q1.

• The value below which 75% of the data falls, also known as Q3.

• The value below which 100% of the data falls, also known as the maximum.

Maximum

• The smallest value in a data set.

• The average value in a data set.

• The largest value in a data set.

• The median value in a data set.

Quartile

• Values that divide a data set into four equal parts.

• Values that divide a data set into three equal parts.

• Values that represent the average of a data set.

• Values that indicate the maximum of a data set.

Range

• The average of all values in a data set.

• The difference between the maximum and minimum values in a data set.

• The value that occurs most frequently in a data set.

• The middle value when the data set is ordered.