| Answer Choices | N | Percent |
|---|---|---|
| Graphs, such as histograms, stem and leaf plots, normal plots, etc. | 208 | 26.0 |
| Statistical tests, such as the Shapiro-Wilk or Shapiro-Francia | 88 | 11.0 |
| Both graphs and statistical tests | 439 | 54.9 |
| Other | 65 | 8.1 |
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.