RCAT Data Interpretation 2 — Questions and Answers
Question 1: A frequency table shows: Score 60–69: 5 students; 70–79: 12 students; 80–89: 18 students; 90–99: 10 students. What percentage scored 80 or above?
- 62.2% (Correct answer)
- 60%
- 51.1%
- 75%
Correct answer: 62.2%
Students scoring 80+: 18+10=28; total=45; 28/45×100 ≈ 62.2%.
Question 2: Two products had sales of $30,000 and $20,000 last year. This year Product A grew by 10% and Product B by 20%. What is the new combined total?
- $57,000 (Correct answer)
- $55,000
- $60,000
- $56,000
Correct answer: $57,000
A: $30,000 × 1.10 = $33,000; B: $20,000 × 1.20 = $24,000; total = $57,000.
Question 3: A graph shows temperature readings at 6am, 9am, 12pm, 3pm, 6pm as 10°C, 14°C, 22°C, 25°C, 18°C. What was the range?
- 15°C (Correct answer)
- 25°C
- 12°C
- 22°C
Correct answer: 15°C
Range = maximum − minimum = 25 − 10 = 15°C.
Question 4: A company's expenses breakdown: Salaries 45%, Rent 20%, Supplies 15%, Marketing 12%, Other 8%. If total expenses are $400,000, how much is spent on Marketing?
- $48,000 (Correct answer)
- $40,000
- $60,000
- $52,000
Correct answer: $48,000
12% of $400,000 = 0.12 × $400,000 = $48,000.
Question 5: A table shows a company's profit over 4 years: Year 1=$50k, Year 2=$65k, Year 3=$55k, Year 4=$80k. What was the average annual increase?
- $10k (Correct answer)
- $8k
- $15k
- $30k
Correct answer: $10k
Total increase over 3 intervals = $80k − $50k = $30k; average annual increase = $30k ÷ 3 = $10k.
Question 6: In a sample of 200 people, 60 like tea only, 80 like coffee only, and 40 like both. How many like neither?
- 20 (Correct answer)
- 40
- 60
- 80
Correct answer: 20
Those who like tea or coffee or both = 60+80+40 = 180; neither = 200−180 = 20.
RCAT Data Interpretation 2
A frequency table shows: Score 60–69: 5 students; 70–79: 12 students; 80–89: 18 students; 90–99: 10 students.
What percentage scored 80 or above?