True or false: measures compared

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Mean deviation uses every observation.

2. Statement is true

   Yes

   Statement

   Range uses only two observations.

3. Statement is true

   Yes

   Statement

   Standard deviation uses every observation.

4. Statement is true

   Yes

   Statement

   Range is affected by an extreme value.

5. Statement is true

   No

   Statement

   Range describes spread about a central value.

Explanation