8by8verse The Chess Universe
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Chess Lab › The numbers room

Les stats de l’équipe

  • Traitement des données
  • Ages 9 to 14
  • About 6 minutes

The story behind it

A team captain cannot pick a side by feeling alone. She looks at the scores: the total, the middle score, the one that keeps turning up, and how far apart the best and worst days are. Four small numbers that say a great deal.

How to play

  1. Look at the scores on the chart.
  2. Mean: the total shared equally. Median: the middle one in order.
  3. Mode: the most common. Range: highest take away lowest.

Levels

For teachers and coaches

Squad stats — Data handling

Ages 9 to 14 · about 6 minutes · 8by8verse Chess Lab

What it teaches

Mean, median, mode and range from a small data set, and what each one tells you.

The story to tell first

A team captain cannot pick a side by feeling alone. She looks at the scores: the total, the middle score, the one that keeps turning up, and how far apart the best and worst days are. Four small numbers that say a great deal.

Three questions to ask

  • One very high score joins the list. Which changes more, the mean or the median?
  • Two players have the same mean. How could you still tell them apart?
  • When is the most common score more useful than the average?

Without a screen

Collect a real class data set — shoe sizes, minutes to school — and find all four numbers together.

Sudoku d’échecs Logique et élimination Chaque pièce une seule fois dans chaque ligne, chaque colonne, chaque bloc. À partir de 7 ans · environ 8 minutes Back to the labAll 19 games and 12 stories.