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Data Interpretation · Question 33 of 75

The chart shows a household's quarterly electricity use in 2024 and 2025.

Question 33

MediumOriginal question

The chart shows a household's quarterly electricity use in 2024 and 2025. By what percentage did its use in the second quarter (Q2) rise from 2024 to 2025?

Grouped bar chart titled Household electricity use by quarter, with bars for 2024 and 2025. first quarter: 2024 320 units, 2025 284 units; second quarter: 2024 450 units, 2025 495 units; third quarter: 2024 380 units, 2025 342 units; fourth quarter: 2024 290 units, 2025 319 units.
Options for question 33

Show the answer and explanation
CorrectNot quiteAnswer A

Correct answer: A

Explanation

  1. Q2 use: 450 units in 2024, 495 units in 2025. Rise: 45 units.

  2. Percentage rise: 45450×100=10%\frac{45}{450} \times 100 = 10\%.

Worth noting

11.25% is the change in the first quarter, not the second. 45% mistakes the rise of 45 units for a percentage. 110% is the 2025 use as a percentage of 2024's.

Concept
Percentage change between paired bars
Typical time
80 s
Your time
—
The rule this testsBar graphs
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