Spot the one that does not belong

Exercise and reference answers

Questions

1. Items

   1. Range
   2. Mean
   3. Median

   Odd item

   Range

2. Items

   1. Range
   2. Mean
   3. Standard deviation

   Odd item

   Mean

3. Items

   1. Sum over count
   2. Middle value
   3. Largest minus smallest

   Odd item

   Largest minus smallest

Explanation