WorkKeys Interpreting Workplace Graphics Questions and Answers 2 — Questions and Answers
Question 1: A graph shows energy use: January = 4,200 kWh, December = 5,100 kWh. What is the percentage increase?
- 17.6%
- 19.5%
- 21.4% (Correct answer)
- 23.1%
Correct answer: 21.4%
Increase: 900 kWh. Rate: (900 ÷ 4,200) × 100 = 21.4%.
Question 2: Three suppliers: A=$4.20/unit, B=$3.95/unit, C=$4.50/unit. Which is cheapest and by how much vs. the most expensive?
- Supplier A, $0.25 less
- Supplier B, $0.55 less (Correct answer)
- Supplier B, $0.30 less
- Supplier C, $0.55 less
Correct answer: Supplier B, $0.55 less
Cheapest: B ($3.95). Most expensive: C ($4.50). Difference: $0.55.
Question 3: Call center wait times over 6 hours: 2, 4, 7, 5, 3, 2 minutes. What is the median?
- 3.5 minutes (Correct answer)
- 4 minutes
- 4.5 minutes
- 5 minutes
Correct answer: 3.5 minutes
Sorted: 2, 2, 3, 4, 5, 7. Median = (3 + 4) ÷ 2 = 3.5 minutes.
Question 4: A project has 12 tasks: 6 green, 3 yellow, 3 red. What percentage are at risk or overdue?
- 40%
- 45%
- 50% (Correct answer)
- 55%
Correct answer: 50%
(3 + 3) ÷ 12 = 50%.
Question 5: A dashboard shows OEE at 72%. The target is 85%. How many percentage points below target is current performance?
- 11 points
- 13 points (Correct answer)
- 15 points
- 17 points
Correct answer: 13 points
85% - 72% = 13 percentage points.
Question 6: A frequency chart shows Machine A breaks down 3 times/month. Over 12 months, how many breakdowns are expected?
- 24
- 30
- 36 (Correct answer)
- 42
Correct answer: 36
3 × 12 = 36 breakdowns.
WorkKeys Interpreting Workplace Graphics Questions and Answers 2
A graph shows energy use: January = 4,200 kWh, December = 5,100 kWh.
What is the percentage increase?