Skin Color Project Vocab

Rise over run

A common saying to determine the slope of a line on a graph

Association

How two variables interact to create a trend in a data set

Cluster

A part of a scatterplot where many data points are plotted closely together

Equator

The central line of latitude. Skin color tends to get darker as people live closer to this line

Line of best fit

A line that represents the general direction of data points in a scatter plot. It can also help us to predict values.

Melanin

A chemical in your body made up of tiny grains that determine the color of your skin

Outlier

A data point that falls far away from other data points in a scatterplot. This data point is unexpected

Slope

How quickly a line of best-fit increases or decreases

y^2-y^1/x^2-x^1

The formula to determine slope using two data points

Validity

When data is considered to be correctly formatted or stored.

Completeness

When a set of data includes all possible values

Uniqueness

When a set of data is free from duplicate data points

X-Axis

The horizontal axis of a scatterplot

Y-Axis

The vertical axis of a scatterplot

Data Point

A single piece of a larger data set