CASAS Data Interpretation & Analysis 2 — Questions and Answers
Question 1: A line graph shows a store's monthly sales. Sales were $4,000 in January, $5,500 in February, $5,000 in March, and $6,500 in April. What is the overall trend?
- Sales are decreasing each month
- Sales are generally increasing over the period (Correct answer)
- Sales remain constant
- Sales peaked in January
Correct answer: Sales are generally increasing over the period
Despite a slight dip in March, the overall direction from January to April shows an upward trend.
Question 2: A table shows employee work hours: Ana=38, Ben=42, Carl=35, Dana=45. What is the average number of hours worked?
- 38 hours
- 40 hours (Correct answer)
- 42 hours
- 45 hours
Correct answer: 40 hours
The total is 160 hours divided by 4 employees equals 40 hours per person.
Question 3: A pie chart shows how a family spends $3,000 monthly: 40% rent, 25% food, 20% transportation, 15% other. How much is spent on food?
- $600
- $750 (Correct answer)
- $900
- $450
Correct answer: $750
25% of $3,000 equals $750 spent on food.
Question 4: A bar chart shows test scores for 5 students: 70, 85, 90, 65, 80. Which score represents the median?
- 70
- 80 (Correct answer)
- 85
- 90
Correct answer: 80
Arranged in order (65, 70, 80, 85, 90), the middle value is 80.
Question 5: A schedule shows bus arrival times every 20 minutes starting at 6:00 AM. What time does the 4th bus arrive?
- 6:40 AM
- 7:00 AM (Correct answer)
- 6:20 AM
- 7:20 AM
Correct answer: 7:00 AM
The 4th bus arrives 60 minutes (3 intervals × 20 min) after 6:00 AM, at 7:00 AM.
Question 6: A chart shows rainfall in inches per month: Jan=2, Feb=3, Mar=5, Apr=4, May=1. Which month had the most rainfall?
- February
- April
- March (Correct answer)
- January
Correct answer: March
March had the highest recorded rainfall at 5 inches.
Question 7: A grocery store receipt shows: bread $2.50, milk $3.75, eggs $4.00, juice $2.25. If you pay with $15, how much change do you receive?
- $2.50 (Correct answer)
- $3.00
- $2.75
- $12.50
Correct answer: $2.50
The total is $12.50, so change from $15 is $15.00 − $12.50 = $2.50.
A line graph shows a store's monthly sales.
Sales were $4,000 in January, $5,500 in February, $5,000 in March, and $6,500 in April.
What is the overall trend?