Know Your Keywords — Math, Standard
Point 19 — Statistics
What do we see?
Comparison of means, medians, or standard deviations.
What do we understand?
- Means: influenced by outliers.
- Median: ALWAYS RECALCULATE.
- Standard deviation: directly proportional to range.
Question 1 of 4

A data set consisting of 13 values is represented in the dot plot. An additional observation of 251 days is added to the original data set to create a new data set of 14 values. Which statement best compares the mean and median of the new data set to the mean and median of the original data set?