True or false: what a chart can prove

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   A pie chart alone gives shares, not absolute numbers.

2. Statement is true

   Yes

   Statement

   You need the total to turn a share into a count.

3. Statement is true

   Yes

   Statement

   A bar graph is best for comparing separate categories.

4. Statement is true

   No

   Statement

   A chart with no title or units can still be safely interpreted.

5. Statement is true

   No

   Statement

   Two pie charts always represent the same total.

Explanation