Homework Hints
Section 10.4: Measures of Dispersion

Problems 1-5
These problems are the Essential Ideas for this section. Work through all of these problems. Problem 5 There is no "right" or "wrong" answer here, but you should spend about five minutes in answering this question.

Problems 6-17
See Example 1 for the range and remember the formula for finding the mean (from Section 10.3).

Problems 18-29
See Example 3 for standard deviation.

Problem 30
Look at Problems 1-29 for clues to finding the pattern.

Problem 31
See Example 1 for the range and remember the formula for finding the mean (from Section 10.3).

Problem 32
See Example 2.

Problems 33-34
See Example 3.

Problem 35
See Example 1 for the range and remember the formula for finding the mean (from Section 10.3).

Problem 36
See Example 2.

Problems 37-38
See Example 3.

Problem 39
See Example 1 for the range and remember the formula for finding the mean (from Section 10.3).

Problem 40
See Example 2.

Problems 41-42
See Example 3.

Problem 43
See Example 1 for the range and remember the formula for finding the mean (from Section 10.3).

Problem 44
See Example 2.

Problems 45-46
See Example 3.

Problems 47-48
See Example 3.

Problem 49
There is no right or wrong answer to this problem, but test your example to see if it does what is is supposed to do.

Problem 50
See the previous section for an example on finding the mean, Example 1 for the range, and Example 3 for the standard deviation.

Problems 51-57
You need to perform the experiments in Problems 51, 52, and 56, and then use the data you obtain to find the mean, median, and mode using Example 2.

Problem 58
There is no right or wrong answer for this Problem of the Day, but you should spend about 15 minutes in formulating your ideas and writing about a page to answer this question.

Note: Homework Hints are given only for the levels 1 and 2 problems. You can also check some sources for homework help on the Internet (see Links, below), or you can call the author at (707) 829-0606 or send an e-mail to: smithkjs@mathnature.com