Suppose that there were a positive correlation between the variables u and v. if v is 12 when u is 10, which of these is most likely to be the value of v when u is 20?

Answer with Step-by-step explanation:

Positive correlation between u and v means:

We can write u and v as

v=ku  where k is some positive number

when u=10,v=12

⇒ 12=k×10

⇒ k=1.2

⇒ v=1.2u

when u=20

v=1.2×20

⇒ v=24

Hence, when u=20, value of v is:

24

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δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)