For this case we have the following data:
(1, 24), (2, 24.38), (3, 24.76), (4, 25.14)
We observe that, we have an arithmetic sequence.
That is, we have:
\(an + 1 = an + d\)
Where,
an + 1: next term
an: previous term
d: common difference.
So we have to clear d:
\(d = an + 1 - an\)
Substituting any values of the table (coordinate y) we have:
\(d = 24.38 - 24
d = 0.38\)
Answer:
a. The common difference is 0.38
