Mathematics
Data & Statistics
Procedural
11–13 yrs
Comparing measurements
比较测量值
Description
Describe, interpret, and compare distributions of a single variable using appropriate measures of central tendency (mean, median, mode) and spread (range), including the effect of outliers
Mastery Evidence
- Calculate mean, median, and mode for a data set and explain when each is most appropriate
- Find the range of a data set and explain how an outlier affects the mean versus the median
- Compare two data sets using their averages and ranges to draw conclusions
Assessment Prompt
If your child had the test scores of a whole class, could they find the mean, median, and range, and explain what each tells you about how the class performed?
