In percentage points to one decimal place, what is the margin of sampling error for a survey of 1,600 randomly-selected respondents? +/- 25 points +/- 4 points +/- 10 points +/- 2.5 points +/- 0.0625 points
In percentage points to one decimal place, what is the margin of sampling error for a survey of 1,600
randomly-selected respondents?
+/- 25 points
+/- 4 points
+/- 10 points
+/- 2.5 points
+/- 0.0625 points