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Interpret slope and intercept in a data model
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SAT Prep
M222 Interpret slope and intercept in a data model
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A scatterplot's line of best fit is q = 5.8x - 14. The observed x-values range from 10 to 40. What is the best interpretation of -14?
A
It means x increases by 14 for each 1-unit increase in q.
B
It means the model predicts q = 0 when x = -14.
C
It is the model's predicted q-value when x = 0, but x = 0 is outside the observed range.
D
It means q decreases by 14 for each 1-unit increase in x.
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