Interpreting Informative Texts Flashcards
7 cards from real STAT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
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A passage states: 'The glacier retreated 200 meters annually from 1990 to 2010, then 350 meters annually from 2010 to 2020.' What can be correctly inferred?
Answer: The rate of retreat increased after 2010
The annual retreat rate rose from 200 m to 350 m after 2010, indicating an accelerating trend.
A graph caption reads: 'Figure 3 shows median household income by region, adjusted for inflation (2020 dollars).' What does 'adjusted for inflation' signal to the reader?
Answer: Figures are comparable across years in real purchasing power
Inflation adjustment converts all values to a common price level, allowing meaningful year-to-year comparisons.
An informational text uses the phrase 'correlation does not imply causation' after presenting survey data. The author's purpose is most likely to:
Answer: Warn readers against assuming one variable causes another
The phrase cautions readers that a statistical relationship between variables does not prove one causes the other.
A science article states: 'Participants who slept fewer than six hours reported higher stress levels (p < 0.05).' What does p < 0.05 indicate?
Answer: The finding is statistically significant at the 5% level
A p-value below 0.05 means there is less than a 5% probability the result is due to random chance, meeting a standard significance threshold.
A text presents two columns: 'Observed Frequency' and 'Expected Frequency.' A reader can conclude the author is most likely discussing:
Answer: A statistical analysis comparing actual versus predicted outcomes
Observed vs. expected frequency is standard terminology in statistical tests such as chi-square analysis.
A passage includes this sentence: 'While proponents argue the policy reduces costs, critics contend it shifts costs onto consumers.' This sentence primarily serves to:
Answer: Present opposing perspectives on the policy's impact
The sentence balances two conflicting interpretations, showing both sides of the debate without taking a position.
An infographic uses a broken y-axis starting at 80% rather than 0%. A critical reader should recognize this as:
Answer: A technique that can exaggerate the visual difference between values
A truncated axis amplifies apparent differences between bars or lines, potentially misleading viewers about the magnitude of change.