本题目来源于试卷: Tools & Inquiries G.2 Mathematics Tools，类别为 IB化学
[单选题]
Which statement best describes the relationship between x and ;ddt+kw4kuu1c2j gi.y on the gra 7hq+ :dwrt.t pph below :p7+td qwrth .?
A. $x$ and y are directly proportional
B. There is a positive correlation between x and y
C. There is a negative correlation between x and y
D. $x$ is dependent on y
参考答案: B
本题详细解析:
y increases with x, and so, there is positive corre1.v 5ver, g.k)h yd bi8ac)n o0rb.tpflation between them with y being dependenbyrv k0a5 bvd.).1nito)c.f 8pg,e h rt on x.
It is not directly proportional as it is not a straight line that starts at the origin.
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