Data Interpretation Flashcards

Monthly business expenses: Rent: $2,400, Utilities: $350, Salaries: $8,500, Supplies: $620, Other: $430. What percentage of total expenses are salaries?

Answer: 69.1%

Total = $12,300; $8,500 ÷ $12,300 × 100 ≈ 69.1%.

A company's headcount by year: Year 1: 50, Year 2: 60, Year 3: 78, Year 4: 104. Which year had the highest percentage growth rate?

Answer: Year 4

Year 2: 20%, Year 3: 30%, Year 4: (104−78)÷78 ≈ 33.3% — Year 4 had the highest growth.

Shipping times in days — Carrier A: 3, 4, 2, 5, 3; Carrier B: 4, 3, 5, 4, 4. Which carrier has the lower average shipping time?

Answer: Carrier A

Carrier A average = 17 ÷ 5 = 3.4 days; Carrier B average = 20 ÷ 5 = 4.0 days — Carrier A is faster.

A customer satisfaction survey of 400 respondents: Very Satisfied: 120, Satisfied: 160, Neutral: 60, Dissatisfied: 40, Very Dissatisfied: 20. What percentage are satisfied or very satisfied?

Answer: 70%

(120 + 160) = 280; 280 ÷ 400 × 100 = 70%.

Product A sold 240 units at $15 each; Product B sold 180 units at $22 each. What is the combined total revenue from both products?

Answer: $7,560

Product A: 240 × $15 = $3,600; Product B: 180 × $22 = $3,960; total = $7,560.

A score frequency table shows: 1–20: 15 students, 21–40: 25 students, 41–60: 35 students, 61–80: 20 students, 81–100: 5 students. What is the modal class?

Answer: 41–60

The modal class is the interval with the highest frequency — 41–60 has 35 students, the most of any group.

Stock closing prices for a week: Mon: $42.50, Tue: $44.80, Wed: $43.20, Thu: $46.10, Fri: $45.50. What was the net price change from Monday to Friday?

Answer: $3.00

$45.50 − $42.50 = $3.00 net increase from Monday to Friday.