Finding the median from an odd number of values
Finding the median from an odd number of values.
- Put values in order or use cumulative frequencies.
- For an odd count, choose the middle observation. For an even count, average the two middle observations.
- A median class identifies an interval, not the exact median.
Example 1
Find the median.
Middle position(s) Use the middle value, or average the two middle values.
Example 2
Find the median.
Middle position(s) Use the middle value, or average the two middle values.
Your turn
Question 1 Put the data in order first.
Find the median.
Check answer
Middle position(s) Use the middle value, or average the two middle values.
Question 2 Put the data in order first.
Find the median.
Check answer
Middle position(s) Use the middle value, or average the two middle values.
Question 3 Put the data in order first.
Find the median.
Check answer
Middle position(s) Use the middle value, or average the two middle values.
Question 4 Put the data in order first.
Find the median.
Check answer
Middle position(s) Use the middle value, or average the two middle values.
Question 5 Put the data in order first.
Find the median.
Check answer
Middle position(s) Use the middle value, or average the two middle values.
Find the median.
Middle position(s) Use the middle value, or average the two middle values.
Find the median.
Middle position(s) Use the middle value, or average the two middle values.
Find the median.
Middle position(s) Use the middle value, or average the two middle values.
Find the median.
Middle position(s) Use the middle value, or average the two middle values.
Find the median.
Middle position(s) Use the middle value, or average the two middle values.