Question

Roger spent 45 minutes studying for the test. Assuming the trend that exists in the data set below applies to Roger as well, approximately which grade should Roger expect to receive on the test?

Time Spent Studying (minutes)
Grade on Test (%)
0 28
0 54
30 45
30 39
30 63
60 53
60 75
90 85
90 78
120 92
120 100
120 98
120 89
180 99
180 95

A.
22%
B.
12%
C.
60%
D.
82%

Answer 1

Probably somewhere around the grades that are to be expected at 30-60 minutes study time, which is somewhere in the range of 45%-75%
So what answer is the most obvious?

Answer 2

C?

Answer 3

@thomaster

Answer 4

Yep