Question: 13.32 Explaining confidence. Here is an explanation from the Associated Press concerning one of its opinion polls. Ex plain briefly but clearly in what way

13.32 Explaining confidence. Here is an explanation from the Associated Press concerning one of its opinion polls. Ex plain briefly but clearly in what way this explanation is incor rect.

For a poll of 1,600 adults, the variation due to sampling error is no more than three percentage points either way.

The error margin is said to be valid at the 95 percent con fidence level. This means that, if the same questions were repeated in 20 polls, the results of at least 19 surveys would be within three percentage points of the results of this sur vey.

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