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: The answer is (d)
Step-by-step explanation: Given equation to be factored is
The given expression is quadratic, so we can factor it into two linear factors, by using the following factorisation rule.
So, the given equation can be factorised using the above rule. The factorisation is as follows.
Thus, the correct option is (d).