A data set contains an independent and dependent variable. Which must be true of the data set if a linear function can be used to represent the data?

a. The set must have a constant additive rate of change.
b. The set must have a constant multiplicative rate of change.
c. The values in the set must be positive.
d. The values in the set must be increasing.

Question

A data set contains an independent and dependent variable. Which must be true of the data set if a linear function can be used to represent the data?

a. The set must have a constant additive rate of change.
b. The set must have a constant multiplicative rate of change.
c. The values in the set must be positive.
d. The values in the set must be increasing.

anonymous · Answer

That's why she tagged me :p

anonymous · Answer

http://en.wikipedia.org/wiki/Regression_analysis

anonymous · Answer

Well  the term linear function refers to two distinct, although related, notions: In calculus and related areas, a linear function is a polynomial function of degree zero or one,

anonymous · Answer

Is it A ?

anonymous · Answer

I think so.
I could be wrong, but that is my guess.