10 terms

scatter plot

graph that relates 2 different sets of data by displaying them as ordered pairs (x,y)

correlations

relationship/trend found in any given data

trend line

line on a scatter plot drawn near the points that show a correlation

interpolation

estimating the value between 2 known values

extrapolation

predicting the value outside the given number

line of best fit

line that shows most accurate relationship between 2 sets of data.

correlation coefficent

number from -1 to 1 that tells us how closely the equation models the data

causation

change in one quantity causes change in 2nd quantity.

parallel lines

same slope different intercept

perpendicular lines

opposite and reciprocal slope.