Scatter Plots and Trend Lines
graph that relates 2 different sets of data by displaying them as ordered pairs (x,y)
relationship/trend found in any given data
line on a scatter plot drawn near the points that show a correlation
estimating the value between 2 known values
predicting the value outside the given number
line of best fit
line that shows most accurate relationship between 2 sets of data.
number from -1 to 1 that tells us how closely the equation models the data
change in one quantity causes change in 2nd quantity.
same slope different intercept
opposite and reciprocal slope.
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