Unless you choose to take the optional final exam, your grade will be based on your Weighted Total, which is calculated by weighted each quiz and each homework (roughly) equally.
tentative grading scale (pre-final)
Here is the distribution of total scores, pre-final exam:
Here is the distribution of scores through quiz 3, hwk 3:
[The set of total scores (one for each of 23 students) was sorted, then plotted. Each vertical bar in the chart represents one total score. Y-axis is total score.]