10 terms

Scatter Plots and Trend Lines

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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.
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