Finding the median from an even number of values Revision Card

AI generatedStatisticsKey Stage 3

Finding the median from an even 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.

Put the data in order first.

Middle position(s)

Use the middle value, or average the two middle values.

Find the median.

Put the data in order first.

Middle position(s)

Use the middle value, or average the two middle values.

Question 1

Find the median.

Check answer

Put the data in order first.

Middle position(s)

Use the middle value, or average the two middle values.

Question 2

Find the median.

Check answer

Put the data in order first.

Middle position(s)

Use the middle value, or average the two middle values.

Question 3

Find the median.

Check answer

Put the data in order first.

Middle position(s)

Use the middle value, or average the two middle values.

Question 4

Find the median.

Check answer

Put the data in order first.

Middle position(s)

Use the middle value, or average the two middle values.

Question 5

Find the median.

Check answer

Put the data in order first.

Middle position(s)

Use the middle value, or average the two middle values.