IMSA Data Interpretation and Word Problems

Question 1

A store's sales were $12,000 in January and $15,000 in February. What was the percent increase?

Accepted Answer

25%

Answer

Percent increase = (15000 − 12000)/12000 × 100 = 3000/12000 × 100 = 25%.

Question 2

The average of 5 test scores is 82. What is the sum of all 5 scores?

Accepted Answer

410

Answer

Sum = average × number of values = 82 × 5 = 410.

Question 3

A bar chart shows sales of 50, 70, 60, and 80 units over 4 months. What is the mean?

Accepted Answer

65

Answer

Mean = (50 + 70 + 60 + 80)/4 = 260/4 = 65.

Question 4

A car travels 240 miles in 4 hours. What is its average speed?

Accepted Answer

60 mph

Answer

Speed = distance/time = 240/4 = 60 mph.

Question 5

A dataset is: 3, 7, 7, 9, 12. What is the median?

Accepted Answer

7

Answer

The dataset is already ordered; the middle value (3rd of 5) is 7.

IMSA - Intermediate Math Skill Assesment Practice Test