Multiple Choice
When using R, how do you store shipping costs?
A) >unit.costs <- matrix(2.85, 3.32, 3.10, 2.90)
B) >unit.costs <- unit.costs(2.85, 3.32, 3.10, 2.90)
C) >unit.costs <- matrix(c(2.85, 3.32, 3.10, 2.90) , nrow=2, byrow=TRUE)
D) >unit.costs <- unit.costs(2.85, 3.32, 3.10, 2.90) , nrow=2, byrow=TRUE)
Correct Answer:

Verified
Correct Answer:
Verified
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