2012 Exam 3
Key Version A (indicated by problem 74)

a blank answer here means that any single letter is considered correct
if more than one answer is listed, either was considered correct
only one answer per field is allowed on the scantron, even if multiple answers are correct

format is {Question # correct answer}: points per mistake

{1B 2B 3B 4B 5B 6B }:7.0 pts 0 err, 5.7 pts 1 err, 4.2 pts 2 err, 2.6 pts 3 err, 1.0 pts 4 err, 0.0 pts 5 err,
{7B 8A 9B 10A 11A 12A 13B }:7.0 pts 0 err, 6.0 pts 1 err, 4.5 pts 2 err, 3.0 pts 3 err, 1.5 pts 4 err, 0.0 pts 5 err, 0.0 pts 6 err,
{14A 15A 16B }:6.0 pts 0 err, 3.5 pts 1 err, 1.0 pts 2 err,
{17A 18B 19B }:6.0 pts 0 err, 3.5 pts 1 err, 0.5 pts 2 err,
{20A 21B 22A 23A }:8.0 pts 0 err, 5.5 pts 1 err, 2.5 pts 2 err, 0.5 pts 3 err,
{24A 25A 26B }:5.0 pts 0 err, 3.0 pts 1 err, 0.5 pts 2 err,
{27A 28B 29A 30B }:8.0 pts 0 err, 5.7 pts 1 err, 2.5 pts 2 err, 0.5 pts 3 err,
{31A 32A 33A 34A }:6.0 pts 0 err, 4.2 pts 1 err, 2.0 pts 2 err, 0.0 pts 3 err,
{35B 36B 37A 38A }:6.0 pts 0 err, 4.2 pts 1 err, 2.0 pts 2 err, 0.0 pts 3 err,
{39B 40B 41B 42A }:5.0 pts 0 err, 3.5 pts 1 err, 1.5 pts 2 err, 0.0 pts 3 err,
{43B 44A 45A }:6.0 pts 0 err, 3.5 pts 1 err, 0.5 pts 2 err,
{46B 47B 48B 49B }:4.0 pts 0 err, 3.0 pts 1 err, 1.0 pts 2 err, 0.0 pts 3 err,
{50A 51A 52B 53B 54A }:5.0 pts 0 err, 4.0 pts 1 err, 2.0 pts 2 err, 0.5 pts 3 err, 0.0 pts 4 err,
{55B 56B 57  58B }:5.0 pts 0 err, 3.0 pts 1 err, 0.5 pts 2 err, 0.0 pts 3 err,
{59B 60B 61A 62B }:6.0 pts 0 err, 4.5 pts 1 err, 2.0 pts 2 err, 0.0 pts 3 err,
{63A 64A 65B 66B }:6.0 pts 0 err, 4.5 pts 1 err, 2.0 pts 2 err, 0.0 pts 3 err,
{67A 68B 69A 70A }:4.0 pts 0 err, 3.0 pts 1 err, 1.5 pts 2 err, 0.0 pts 3 err,
{71B 72B 73A }:3.0 pts 0 err, 1.5 pts 1 err, 0.0 pts 2 err,
74 A:3.0 pts