CASAS Data Interpretation & Analysis 4

Question 1

A line graph shows a student's test scores over 5 weeks: 60, 65, 70, 75, 80. If the trend continues, what score would be expected in week 6?

Accepted Answer

85

Answer

The scores increase by 5 each week, so week 6 should be 80 + 5 = 85.

Question 2

A chart shows that 3 out of every 10 customers use a loyalty card. If 250 customers shop on Saturday, about how many would use a loyalty card?

Accepted Answer

75

Answer

3/10 × 250 = 75 customers would use a loyalty card.

Question 3

A bar graph shows recycling by material: paper=300 lbs, plastic=180 lbs, glass=120 lbs, metal=60 lbs. What fraction of total recycling is metal?

Accepted Answer

1/10

Answer

Total = 660 lbs; metal = 60 lbs; 60/660 = 1/11 ≈ 9%.

Question 4

A table shows commute times in minutes for 5 workers: 15, 30, 45, 20, 35. What is the range of commute times?

Accepted Answer

30 minutes

Answer

Range = highest − lowest = 45 − 15 = 30 minutes.

Question 5

A pie chart shows a budget: 50% housing, 20% food, 15% transportation, 10% savings, 5% entertainment. If income is $2,400, how much goes to savings?

Accepted Answer

$240

Answer

10% of $2,400 = $240 in savings.

CASAS (Comprehensive Adult Student Assessment System) Practice Test