Homework 10 (due 2/26)

Below are all the current homework scores in our class:

0,   2.8,   4,   5.5,   5.8,   6,   6.3,   6.4,   6.7,   6.9,   6.9,   7.8,   7.9,   7.9,   7.9,   7.9,   8,   8.2,   8.3,   8.4,   8.4,   8.6,   8.6,   8.6,   8.7,   8.7,   8.7,   8.7,   8.8,   8.8,   8.9,   9,   9,   9,   9,   9,   9,   9.

(Note: the maximum possible score is 9.)

1.

Determine the average, median, and mode.

2.

Draw a chart showing the distribution of scores (similar to the second chart for the test; you will probably want to group some scores together).

3.

Using the following table, determine your current homework letter grade. (Your current score is available on Blackboard.)

4.

How good is your homework score compared to your classmates' scores? E.g., is it above or below the average score? Is it above or below the median? What percentile is it?