GMAT Data Insights: Graphics Interpretation 2

Question 1

A scatter plot shows study hours (x) versus exam scores (y) with points rising left to right. This pattern indicates what relationship?

Accepted Answer

Positive correlation

Answer

Negative correlation

Answer

No correlation

Answer

Perfect inverse correlation

Question 2

A pie chart shows Marketing at 25%, Sales at 40%, R&D at 20%, and the remainder as Admin. What percentage is Admin?

Accepted Answer

15%

Answer

10%

Answer

20%

Answer

5%

Question 3

On a line graph, monthly revenue rises steadily then plateaus for three months. The plateau represents what?

Accepted Answer

A period of no change

Answer

A period of decline

Answer

Accelerating growth

Answer

A data error

Question 4

A bar chart compares regional sales: North 80, South 120, East 60, West 100 (in thousands). Which region had median sales?

Accepted Answer

North

Answer

South

Answer

East

Answer

West

Question 5

A graph's y-axis starts at 50 instead of 0, making a small increase look large. This is an example of what?

Accepted Answer

A truncated axis distortion

Answer

A logarithmic scale

Answer

Correct data normalization

Answer

A confidence interval

Question 6

A histogram of customer ages peaks at the 30-39 bin. This peak is called the:

Accepted Answer

Modal class

Answer

Median class

Answer

Range

Answer

Outlier

Question 7

A dual-axis chart plots temperature (left axis) and ice cream sales (right axis) both rising together. The best conclusion is:

Accepted Answer

The two variables are positively associated

Answer

Temperature causes a fixed dollar amount of sales

Answer

Sales determine temperature

Answer

There is no relationship