The scatterplot for a set of data points is shown, along with the line of best fit. Choose the BEST estimate for r, the correlat
ion coefficient.
A) -1.0
B) -0.8
C) 0.8
D) 1.0
A) -1.0
B) -0.8
C) 0.8
D) 1.0
2 answers:
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Answer:
x =
Step-by-step explanation:
Given
3x - = -
Multiply through by 10, the lcm of 5 and 2 to clear the fractions
30x - 8 = - 5 ( add 8 to both sides )
30x = 3 ( divide both sides by 30 )
x = =