Understanding The Measure of Center

Explore Measures of Center

Work Time

Explore Measures of Center

With a partner, continue working with the line plot, and answer the following questions:

  • What happens to the mean if you add data points above the mean?
  • What happens if you add data points below the mean?
  • Can you add data both above and below the mean so that the mean does not change?
  • What happens to the median if you add data points above the median?
  • What happens if you add data points below the median?
  • Can you add data both below and above the median so that the median does not change?
  • Think about whether the mean would go up or down if you added a data point above the mean.
  • If the mean is 6 and you add a data point at 4, where would you have to add another data point so that the mean does not change?

INTERACTIVE: Line Plot with Stats

Hint:

Think about whether the median would go up or down if you added a data point above the median.