Auniversity study examined the college entrance exam scores and first-semester gpas of six freshmen, as shown below.

score 1250 1325 1355 1400 1460 1780
gpa 1.4 1.9 2.5 2.5 3.7 4.0

which is a valid conclusion about the data?
a.
there is no correlation between college entrance exam scores and first-semester gpas.

b.
college entrance exam scores determine first-semester gpas.

c.
a correlation exists between college entrance exams and first-semester gpas.

d.
no conclusion can be drawn about the correlation or causation of college entrance exam scores and first-semester gpas.