FREE ParaPro Interpreting Data, Charts, and Graphs Questions and Answers 3

Question 1

A student is reading a graph and asks, 'What does the y-axis represent?' In most standard graphs, the y-axis represents:

Accepted Answer

The vertical axis showing measured quantities or values

Answer

The horizontal axis showing categories or time

Answer

The title of the graph

Answer

The legend or key

Question 2

A line graph shows a student's reading speed (words per minute) over 6 weeks of practice: 80, 85, 90, 88, 95, 100. What can be concluded?

Accepted Answer

The student's reading speed generally increased with a slight dip in week 4

Answer

The student's reading speed decreased overall

Answer

The student's reading speed was constant throughout

Answer

The student's reading speed peaked in week 3 and stopped improving

Question 3

A student is asked to find the mean of the following data set: 10, 15, 20, 25, 30. What is the mean?

Accepted Answer

20

Answer

22

Answer

18

Answer

25

Question 4

A pie chart shows a class's favorite colors. Red = 40%, Blue = 30%, Green = 20%, Yellow = 10%. If there are 40 students in the class, how many prefer Blue?

Accepted Answer

12

Answer

10

Answer

14

Answer

16

Question 5

A paraprofessional presents a scatter plot to a student. The dots form a pattern where as x increases, y also increases. What type of correlation does this show?

Accepted Answer

Positive correlation

Answer

Negative correlation

Answer

No correlation

Answer

Perfect correlation

Question 6

A paraprofessional is helping a student compare two different graphs showing the same data but with different y-axis scales. What should the paraprofessional caution the student about?

Accepted Answer

Graphs with different scales can make the same data appear very different — always check the axis scale before interpreting

Answer

The color of the bars doesn't matter

Answer

The graph with the bigger numbers is always more accurate

Answer

Only the title of the graph matters for interpretation