Changes in the american labor force since 1970 reveal all of the following except
a.
a rise in minority workers.
b.
that women make up 47 percent of the labor force.
c.
90 percent of the labor force aged 25–64 has graduated from high school.
d.
over one half of the labor force has a college degree.

When you aggregate your data, you need to remember a. you'll use this data to parents understand your work. b. everyone should end up looking similar in their development. c. you're looking at the whole group rather than each individual. d. the big picture represents your instructional practices only.