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The ages of eight members of a chess club are 13, 16, 12, 15, 14, 18, 11 and 17 years.
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
The ages of eight members of a chess club are and years. Find the median age.
Need a reminder? The key ideaShow
The median is the middle value of the sorted list. With an even number of values, it is halfway between the two middle ones.
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.
Step 1. Sort. years.
Step 2. The two middle values. The 4th is and the 5th is .
Step 3. Halfway. years.
Answer: years. No member is that age, and that is fine.
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