NBT Quantitative Literacy 3

Question 1

A data set contains the values: 4, 7, 7, 9, 13. What is the median?

Accepted Answer

7

Answer

With 5 ordered values, the middle (3rd) value is 7.

Question 2

A scatter plot shows a strong positive correlation between study hours and test scores. Which conclusion is best supported?

Accepted Answer

Students who study more tend to score higher

Answer

Correlation indicates a tendency, not causation or a guaranteed outcome for every individual.

Question 3

A container holds 4.5 liters. If 750 mL is removed, how many liters remain?

Accepted Answer

3.75 liters

Answer

750 mL = 0.75 L; 4.5 − 0.75 = 3.75 liters remain.

Question 4

A table shows three phone plans: Plan A at $35/mo with 5GB, Plan B at $50/mo with 10GB, Plan C at $70/mo with 20GB. Which plan has the lowest cost per GB?

Accepted Answer

Plan C at $3.50/GB

Answer

Cost/GB: A=$7.00, B=$5.00, C=$3.50; Plan C has the lowest cost per GB.

Question 5

A bank account earns 4% simple interest per year. If $2,500 is deposited, how much interest is earned after 3 years?

Accepted Answer

$300

Answer

Simple interest = P × r × t = 2,500 × 0.04 × 3 = $300.

(NBT) National Benchmark Test Practice Test

(NBT) National Benchmark Test Practice Test

NBT Quantitative Literacy 3