A 2020 survey reported the average annual rainfall (in cm) in four regions of a country: North, 32; East, 95; South, 142; West, 51. The report concluded that rainfall is highly variable across regions. To illustrate the range, the report noted ______
Which choice most logically completes the text using the data above?
- A
the fact that all regions had measurable rainfall.
- B
the West's value of 51 cm.
- Ccheck_circle
the difference between the wettest region (South, 142 cm) and the driest (North, 32 cm)—more than four times as much rain.
- D
the East's 95 cm.
Explanation
"Highly variable" requires emphasizing the spread. Choice B gives the largest contrast (4x difference), the strongest illustration of variability.