Statistics Vocabulary

A subset of the population

• population

• sample

• IQR

• biased

A measure of central tendency where you add the data and divide by the number of data

• range

• median

• mode

• mean

Middle of the data set when in order

• range

• median

• mode

• mean

occurs most often

• mean

• mean absolute deviation

• mode

• median

What is the mean of the following set of numbers: 4, 8, 12, 16, 20?

Mathematical Equivalence

ON

A type of graph that is based on the median, maximum, minimum, lower quartile and upper quartile

• stem and leaf plot

• line graph

• dot plot

• box plot

A type of graph that is built by placing a marker above each member of the data set represented on a number line. The mode is most easily identified from this graph!

• line graph

• stem and leaf

• dot plot

• box plot

Subtraction of the maximum and minimum in a data set

• range

• mean

• median

• mode

The extent to which data points differ from each other or from the rest of the data

• Valid

• Variability

• Sample

• Bias

The number of units included in a sample of a population

• Valid

• Random Sample

• Sample Size

• Population