A scientist measured the thickness of one of earth’s plates. Which of the following could be the scientist’s measurement if she measured the thickness near the middle of the plate?

  1. Six inches
  2. Six feet
  3. Sixty feet
  4. Sixty miles
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 3176
6–8
n = 2050
9–12
n = 1113
Male
n = 1514
Female
n = 1621
English
n = 2893
Other
n = 216
A. Six inches 11% 12% 10% 10% 13% 11% 15%
B. Six feet 16% 17% 15% 16% 16% 16% 21%
C. Sixty feet 31% 32% 28% 29% 33% 31% 27%
D. Sixty miles 42% 39% 47% 46% 38% 42% 36%