Consider the Following Bar Graph

question 125

Multiple Choice

Consider the following bar graph. What is the total number of barrels of oil per day used by all the countries listed?

• A) 29.3 million barrels
• B) 38 million barrels
• C) 43.2 million barrels
• D) 34.2 million barrels
• E) 19 million barrels

---

Definitions:

Confidence Interval

A statistical range, computed from sample data, believed to encompass the actual value of a population parameter.

Normal Distributed

A statistical distribution where observations are equally distributed around the mean, creating a bell-shaped curve.

Significance Level

The threshold below which a p-value is considered statistically significant, typically set at 0.05 or 5%.

Random Sample

A selection made from a group where each individual has the same probability of being chosen.