Which statement best describes the association between variable X and variable Y?
2 answers:
Answer:
Option A. perfect negative association.
Step-by-step explanation:
We take two points lying on the line representing the best relationship between variables X and Y.
Points are (1, 9) and (2, 8), so the slope will be =
Slope of (-1) shows the negative relationship between X and Y which may be represented by Y = (- X), equation of a line.
Therefore, association between variables X and Y can be best described as Option A. perfect negative association
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Answer:
∠ACB = 38°
Step-by-step explanation:
∠ACB is an inscribed angle while arcAB is its intercepted arc
An inscribed angle is equal to half the length of its intercepted arc
Hence, ∠ACB = 1/2 the measure of arc AB
arc AB = 76°
Hence ∠ACB = 1/2 of 76
76/2 = 38
Therefore ∠ACB = 38°
