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: Below is a data set of the length of the arm span of a group of boys and another group of girls:
[IMG]
What statistical question could you answer using these data sets?


aligns: no