standard_description: Use measures of center and measures of variability for numerical data from random samples to draw informal comparative inferences about two populations. For example, decide whether the words in a chapter of a seventh-grade science book are generally longer than the words in a chapter of a fourth-grade science book.
problem_activity: What was challenging about developing a statistical question?
How did identifying the variables and choosing a visual representation help you to revise your statistical question?


aligns: no