1000 voters were surveyed and 39±2% of the voters agree with the president. In this example N=1000 and the margin of error (MoE) is 2%.
When
the results of a survey or poll are published, the sample size and the margin
of error are both given. For example: 1000 voters were surveyed and 39±2% of
the voters agree with the president. In this example N=1000 and the margin of
error (MoE) is 2%.
This website lists several public
opinion polls. Search the site and find a poll where the sample size and margin
of error are given. Try to find a poll dealing with a topic in your profession
or one in which you are really interested.
Determine
the following information for the selected poll results and include in your
initial post:
A. URL
for the website
B. Using
your own words, state the topic of the poll in a full sentence.
C. State
the sample size and margin of error.
D. Interpret
the results of your poll using your own words and full sentences. Note:
Depending on the question asked, your poll may have more than one poll result –
you only need to discuss one result.
E. Looking
at the results with respect to the margin of error, do you think there is a
significant difference in the responses to the different questions being asked?
F. What
role could sampling have played in determining these results?
