Question

All else being equal, a study with which of the following error ranges would be the most reliable?

Answer 1

C.

Step-by-step explanation:

Percentage points can be defined as a unit of arithmetic difference between two percentages.

Note that the greater difference, the more the error range.

So the lowest percentage points will give the most reliable error range.

Looking at the given error ranges, we can see that the below would be the most reliable;

`\pm7\text{ }percentage\text{ }points`