Polling disclaimer. A newspaper article that reportedthe results of an election poll included the followingexplanation:The Associated Press poll on the 2012 presidentialcampaign is based on telephone interviews with 798randomly selected registered voters from all statesexcept Alaska and Hawaii.The results were weighted to represent the populationby demographic factors such as age, sex, region, andeducation.No more than 1 time in 20 should chance variationsin the sample cause the results to vary by more than4 percentage points from the answers that would beobtained if all Americans were polled. The margin of sampling error is larger for respons-es of subgroups, such as income categories or those in political parties. There are other sources of potentialerror in polls, including the wording and order ofquestions.a) Did they describe the 5 W’s well?b) What kind of sampling design could take into accountthe several demographic factors listed?c) What was the margin of error of this poll?d) What was the confidence level?e) Why is the margin of error larger for subgroups?f) Which kinds of potential bias did they caution readersabout?
Polling disclaimer. A newspaper article that reportedthe results of an election poll included the followingexplanation:The Associated Press poll on the 2012 presidentialcampaign is based on telephone interviews with 798randomly selected registered voters from all statesexcept Alaska and Hawaii.The results were weighted to represent the populationby demographic factors such as age, sex, region, andeducation.No more than 1 time in 20 should chance variationsin the sample cause the results to vary by more than4 percentage points from the answers that would beobtained if all Americans were polled. The margin of sampling error is larger for respons-es of subgroups, such as income categories or those in political parties. There are other sources of potentialerror in polls, including the wording and order ofquestions.a) Did they describe the 5 W’s well?b) What kind of sampling design could take into accountthe several demographic factors listed?c) What was the margin of error of this poll?d) What was the confidence level?e) Why is the margin of error larger for subgroups?f) Which kinds of potential bias did they caution readersabout?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Question
Polling disclaimer. A newspaper article that reported
the results of an election poll included the following
explanation:
The Associated Press poll on the 2012 presidential
campaign is based on telephone interviews with 798
randomly selected registered voters from all states
except Alaska and Hawaii.
The results were weighted to represent the population
by demographic factors such as age, sex, region, and
education.
No more than 1 time in 20 should chance variations
in the sample cause the results to vary by more than
4 percentage points from the answers that would be
obtained if all Americans were polled.
the results of an election poll included the following
explanation:
The Associated Press poll on the 2012 presidential
campaign is based on telephone interviews with 798
randomly selected registered voters from all states
except Alaska and Hawaii.
The results were weighted to represent the population
by demographic factors such as age, sex, region, and
education.
No more than 1 time in 20 should chance variations
in the sample cause the results to vary by more than
4 percentage points from the answers that would be
obtained if all Americans were polled.
The margin of sampling error is larger for respons-
es of subgroups, such as income categories or those in
es of subgroups, such as income categories or those in
political parties. There are other sources of potential
error in polls, including the wording and order of
questions.
a) Did they describe the 5 W’s well?
b) What kind of sampling design could take into account
the several demographic factors listed?
c) What was the margin of error of this poll?
d) What was the confidence level?
e) Why is the margin of error larger for subgroups?
f) Which kinds of potential bias did they caution readers
about?
error in polls, including the wording and order of
questions.
a) Did they describe the 5 W’s well?
b) What kind of sampling design could take into account
the several demographic factors listed?
c) What was the margin of error of this poll?
d) What was the confidence level?
e) Why is the margin of error larger for subgroups?
f) Which kinds of potential bias did they caution readers
about?
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