12/19 Here is the final histogram. In the histogram, solid lines indicate the major separations (for example, C+/B-). Dotted lines indicate the minor separations (for example B-/B).

```
12/12
Here is a histogram of the scores of still-active
students who have nonzero CPS grades and total HW
points of 675 or more in my online gradebook. The
red lines indicate the approximate locations of the
average E-D, D-C, C-B, and A-B cutoffs for the past
ten semesters in which I have taught PHY131, adjusted
to find the large gaps in the distribution. These
red lines will give you some idea of what your final
letter grade cutoffs might be. As of 12/12, these
overall scores should be reasonably similar to the
final overall averages; however, the final exam is
not yet included.
The overall class average at this time is 62.02.
DISCLAIMER
The average letter-grade cutoffs shown here are only
an estimate of the final letter-grade cutoffs. The
final selection of cutoffs takes into consideration
the final class average and is generally primarily
determined by the location of large gaps in the final
distribution of overall averages. The final cutoffs
may be EITHER HIGHER OR LOWER than those shown here.
Also, the plus-minus system will be used in the final
cutoffs, but I will not estimate the location of those
plus-minus cutoffs.
```

```
11/28
Here is a histogram of the scores of still-active
students who have nonzero CPS and MP grades in my
online gradebook. The red lines indicate the
approximate locations of the average E-D, D-C, C-B,
and A-B cutoffs for the past ten semesters in
which I have taught PHY131, adjusted to find the
large gaps in the distribution. These red lines will
give you some idea of what the final letter grade
cutoffs might be. As of 11/28, these overall scores
should be reasonably similar to the final overall
averages; however, because these average scores
include 1 test drop out of 4 tests, whereas in the
end you will only get to drop 1 test out of five, and
because the final exam is not included, these overall
scores may still be slightly higher than the final
overall averages.
DISCLAIMER
The average letter-grade cutoffs shown here are only
a rough estimate of the final letter-grade cutoffs.
The final selection of cutoffs takes into consideration
the final class average and is generally primarily
determined by the location of large gaps in the final
distribution of overall averages. The final cutoffs
may be EITHER HIGHER OR LOWER than those shown here.
Also, the plus-minus system will be used in the final
cutoffs, but I will not estimate the location of those
plus-minus cutoffs.
```

11/09 Here is a histogram of the scores of still-active students who have nonzero CPS and MP grades in my online gradebook. The red lines indicate the approximate locations of the average E-D, D-C, C-B, and A-B cutoffs for the past ten semesters in which I have taught PHY131. These red lines will give you some idea of what your final letter grade cutoffs might be. As of 11/09, these overall scores are a bit higher that I would expect the final overall averages to be because the final exam is not included, and because these average scores include 1 MC and 1 free response test drop out of 3 tests, whereas in the end you will only get to drop 1 test out of five.