Two are true, one is not

Exercise and reference answers

Questions

1. False statement

   The range is a measure of central tendency

   Statements

   1. The mean is a measure of central tendency
   2. The range is a measure of dispersion
   3. The range is a measure of central tendency

2. False statement

   The range uses every observation

   Statements

   1. The range uses every observation
   2. The mean uses every observation
   3. The range uses only two

3. False statement

   Sharing a mean means sharing a spread

   Statements

   1. Standard deviation measures spread
   2. Sharing a mean means sharing a spread
   3. Two sets can share a mean

Explanation