ITBS Data Interpretation and Graphs 2

Question 1

A line graph shows a store's sales rising from $200 on Monday to $350 on Friday. What is the total increase in sales over this period?

Accepted Answer

$150

Answer

The increase is $350 − $200 = $150.

Question 2

A pie chart shows that 40% of students chose soccer, 30% chose basketball, and 30% chose baseball. If there are 200 students total, how many chose basketball?

Accepted Answer

60

Answer

30% of 200 = 0.30 × 200 = 60 students.

Question 3

A double bar graph compares boys' and girls' test scores. Boys averaged 78 and girls averaged 85. How much higher was the girls' average?

Accepted Answer

7

Answer

85 − 78 = 7 points higher.

Question 4

A pictograph uses one symbol to represent 5 books. If a student has 4 symbols next to her name, how many books did she read?

Accepted Answer

20

Answer

4 symbols × 5 books each = 20 books.

Question 5

A table shows test scores for three students: Ana=92, Ben=85, Cara=91. What is the range of their scores?

Accepted Answer

7

Answer

Range = highest − lowest = 92 − 85 = 7.

ITBS - Iowa Test of Basic Skills Exam Practice Test

ITBS - Iowa Test of Basic Skills Exam Practice Test

ITBS Data Interpretation and Graphs 2