Data Interpretation Flashcards
7 cards from real Civil Service Exam practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Data Interpretation flashcards as text
A permits table shows: Building=340, Electrical=185, Plumbing=220, Mechanical=95, Demolition=60. What is the ratio of Building permits to Demolition permits in its simplest form?
Answer: 17:3
340 ÷ 60 = 17/3, so the simplified ratio is 17:3.
A line graph shows monthly budget expenditures (in thousands): Jan=$82K, Feb=$76K, Mar=$91K, Apr=$88K, May=$95K, Jun=$79K. What is the average monthly expenditure?
Answer: $85,167
Sum = 82+76+91+88+95+79 = 511; Average = 511 ÷ 6 ≈ $85,167.
A citizen satisfaction survey of 500 respondents found: Very Satisfied=145, Satisfied=198, Neutral=87, Dissatisfied=52, Very Dissatisfied=18. What percentage of respondents expressed some level of satisfaction?
Answer: 68.6%
Satisfied respondents = 145+198 = 343; 343 ÷ 500 × 100 = 68.6%.
A bar chart shows quarterly revenue collections: Q1=$2.4M, Q2=$3.1M, Q3=$2.8M, Q4=$3.6M. By what amount did Q4 collections exceed Q1 collections?
Answer: $1.2M
Q4 − Q1 = $3.6M − $2.4M = $1.2M.
A training hours table shows: Managers=48 hrs avg, Supervisors=36 hrs avg, Officers=24 hrs avg, Support=16 hrs avg. If the department has 12 supervisors, what is the total training hours for all supervisors?
Answer: 432
Total supervisor training = 12 supervisors × 36 hours = 432 hours.
A data table shows a city's population grew from 125,000 in 2015 to 148,750 in 2023. What was the percentage increase over this period?
Answer: 19.0%
Increase = (148,750 − 125,000) ÷ 125,000 × 100 = 23,750 ÷ 125,000 × 100 = 19.0%.
A frequency table shows test scores of 80 civil service applicants: 90–100=12, 80–89=24, 70–79=28, 60–69=11, Below 60=5. If 70 is the minimum passing score, what percentage of applicants passed?
Answer: 80.0%
Passing applicants = 12+24+28 = 64; 64 ÷ 80 × 100 = 80.0%.