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AP U.S. Government 1.1 Institutions of National Government. What was the scale of representation in the House of Representatives when the Constitut...
AP U.S. Government 2.2 Public Policy. What did the Budget Impoundment Control Act do?
AP U.S. Government 2.3 Civil Rights and Liberties. Classifications based on sexual orientation receive...what?
AP U.S. Government 1.1 Political Beliefs and Behaviors 283 Views
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Description:
AP U.S. Government 1.1 Political Beliefs and Behaviors. Scientific polls contain a margin of error of plus or minus what?
Transcript
- 00:00
Sorry And here's your shmoop du jour brought to you
- 00:04
by the margin of error the part of your paper
- 00:07
where it's safe to make mistakes Really All right Well
- 00:11
scientific polls contain a margin of error of plus or
- 00:13
minus What And hear the potential answers with three four
Full Transcript
- 00:17
five All right Well poles might seem super scientific with
- 00:21
all their decimals and prevented signs and whatnot but they
- 00:24
can't claim to be exactly right one hundred percent of
- 00:26
the time See what we did there will do Scientific
- 00:30
polls contain a margin of error of plus or minus
- 00:32
a one percent Well the margin of error basically means
- 00:35
how much wiggle room you have when you're giving your
- 00:38
exact answer But one percent seems a little too small
- 00:41
So let's look for something that gives us a bit
- 00:43
more room to groove Good The margin of error of
- 00:45
plus or minus two percent Stupid question This is by
- 00:48
the way who is certainly better than one But we're
- 00:50
still a little too thin around the margins here So
- 00:52
he's more of a bus Well we're going to skip
- 00:55
to d what should i tell you What The answer
- 00:57
Is how about four percent Well four certainly evens things
- 01:00
out of it but we might have gone a little
- 01:01
too far in the wrong direction What about e five
- 01:04
percent Well what if we got a seventy ana tasked
- 01:07
with a plus or minus five percent huh Pretty wide
- 01:10
swing That means that scientific polls contain a margin of
- 01:13
error of plus or minus three percent You know who
- 01:16
made that law for three percent but that's how they
- 01:18
do it three percent a bit of an arbitrary cut
- 01:20
off But it's generally accepted standard for poles of finding
- 01:24
a fifty percent with a three percent margin of error
- 01:27
means that the real answer if you could ask all
- 01:30
members of the population would range somewhere between forty seven
- 01:33
and fifty three percent So c is the correct answer
- 01:36
Margins of error alleviate the pressure to be exact one
- 01:39
hundred percent of the time making it easier when you
- 01:42
have to dig yourself out of a particularly bad fool 00:01:46.834 --> [endTime] don't don't
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