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*
Note: Online this item is displayed as a sliding bar. As students move the
sliding bar, the locations on the scale are associated with a value from 0 to 100.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.