Measuring Public Opinion

Measuring Public Opinion is topic 4.5 of AP US Government and Politics, inside American Political Ideologies and Beliefs. This page works through three real practice questions on it, with the full reasoning behind each credited answer.

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25 questionsData Analysis64% with a figure
Worked examples

Three real measuring public opinion questions

From the practice pool, not the mock papers — each with the reasoning that produces the answer.

64% of them come with a figure. Reading the graph or diagram correctly is most of the work here before any content knowledge applies.

80% test a single AP skill: Data Analysis. That makes this topic unusually predictable to prepare for.

Data Analysis · with figure

The table titled "Survey Mode and Support for a City Curfew" reports Support curfew by row. Compare the row values without making a causal claim. Which comparison is most accurate?

  1. AUsing an endpoint read, random sample, voters under 30 has the highest Support curfew, at 39%.
  2. BUsing an endpoint read, all rows report the same Support curfew.
  3. CUsing an endpoint read, the table proves the row category caused the difference in Support curfew.
  4. DUsing an endpoint read, opt-in website poll has the highest Support curfew, at 71%.correct
Why D is correct

Using an endpoint read is correct because it best matches the evidence in the stem.

The stem asks students to apply Measuring Public Opinion. The decisive clue is "The table titled "Survey Mode and Support for a City Curfew" reports Support curfew by row. Compare the row values without making a causal claim. Which comparison is most accurate?". Using an endpoint read fits because it best matches the evidence in the stem. A: Using an endpoint read answers a different issue; B: Using an endpoint read answers a different issue; C: Using an endpoint read answers a different issue.

Data Analysis · with figure

The table titled "Sample Size and Margin of Error" reports Sample size by row. Use the displayed values to find the lowest row. Which inference should a careful analyst draw?

  1. AUsing a source-focused read, poll C has the lowest Sample size, at 2,500.
  2. BUsing a source-focused read, the rows are tied on Sample size.
  3. CUsing a source-focused read, poll A has the lowest Sample size, at 400.correct
  4. DUsing a source-focused read, the table cannot support any row comparison.
Why C is correct

Using a source-focused read is correct because it best matches the evidence in the stem.

The stem asks students to apply Measuring Public Opinion. The decisive clue is "The table titled "Sample Size and Margin of Error" reports Sample size by row. Use the displayed values to find the lowest row. Which inference should a careful analyst draw?". Using a source-focused read fits because it best matches the evidence in the stem. A: Using a source-focused read answers a different issue; B: Using a source-focused read answers a different issue; D: Using a source-focused read answers a different issue.

Data Analysis · with figure

The table titled "Survey Mode and Support for a City Curfew" reports Support curfew by row. Compare the row values without making a causal claim. Which statement follows from the display?

  1. AUsing an interval comparison, random sample, voters under 30 has the highest Support curfew, at 39%.
  2. BUsing an interval comparison, opt-in website poll has the highest Support curfew, at 71%.correct
  3. CUsing an interval comparison, all rows report the same Support curfew.
  4. DUsing an interval comparison, the table proves the row category caused the difference in Support curfew.
Why B is correct

Using an interval comparison is correct because it best matches the evidence in the stem.

The stem asks students to apply Measuring Public Opinion. The decisive clue is "The table titled "Survey Mode and Support for a City Curfew" reports Support curfew by row. Compare the row values without making a causal claim. Which statement follows from the d". Using an interval comparison fits because it best matches the evidence in the stem. A: Using an interval comparison answers a different issue; C: Using an interval comparison answers a different issue; D: Using an interval comparison answers a different issue.

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Last reviewed 2026-08-28. Topic and unit names follow the College Board course framework. Question counts describe the PrepScore practice bank, not the exam.
Same unit
Evaluating Public Opinion Data47 questions

Work measuring public opinion until the reasoning is automatic.

Real AP questions with a full explanation on every answer, and a mistake bank that only clears when you get it right.

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