Researchers in an early childhood development organization investigated the number of words in the vocabularies of young children. Here are some summary statistics: Age Mean Standard deviation 181818 months \mu=85μ=85mu, equals, 85 words \sigma=80σ=80sigma, equals, 80 words 242424 months \mu=275μ=275mu, equals, 275 words \sigma=120σ=120sigma, equals, 120 words Miku (who is 181818 months old) has a vocabulary of 939393 words, while Tessa (who is 242424 months old) has a vocabulary of 287287287 words. Relative to their age, who has a larger vocabulary? (Choice A)
A
Miku

(Choice B)
B
Tessa

(Choice C)
C
Miku and Tessa have equally sized vocabularies relative to their ages.

(Choice D)
D
It's impossible to say without seeing all of the individual vocabulary sizes.

(Choice E)
E
It's impossible to say since we don't know the shape of either distribution.