1. Look through Alexandra's and Beverly's cases. Identify, by line number, statements made by at least five different children that you think bring up important ideas or issues about collecting, representing, or describing data.
1. 16-20
2. 25-28
3. 215-216
4. 245-246
5. 340-341
2. In Olivia's case 3, consider the data about family size:
Write down a few statement that describe the data. What do you notice as the most important features of this data set?
The number of people in the family, there are gaps in the numbers. There are a lot of students with 6 family members.
3. Now consider the students' work in Olivia's case.
- Lauren, Tyrone, and Jacob wrote two statements on their graph (Figure 2, p. 15, and lines 262-263). What do you think they meant? There are multiple students that have 5 and 6 family members and not as many students that have the other numbers of family members.
- Look at Inez, Isaac, and Samuel's representation and the discussion about their work (begins at line 276). What important issues about data come up in this part of the discussion? They were more clear and used the words range and typical
- What do Lacey's comments about gaps (line 327) add to an understanding of the data? There are some students that h
- The data in the first two cases can be put into categories (bag lunch, school lunch; yes, no, sometimes). How do the data considered in Olivia's case differ from the data in the first two cases? What kinds of statements that students make about this data set couldn't be made about the data in the other two cases?