Mathematics, 03.02.2021 01:00 Madi2277
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.
Answers: 2
Mathematics, 21.06.2019 16:30
Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?
Answers: 1
Mathematics, 21.06.2019 21:30
Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract
Answers: 2
Mathematics, 21.06.2019 22:00
The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.
Answers: 1
Mathematics, 21.06.2019 22:10
Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?
Answers: 1
Researchers in an early childhood development organization investigated the number of words in the v...
Business, 02.08.2019 10:00
History, 02.08.2019 10:00
Mathematics, 02.08.2019 10:00
History, 02.08.2019 10:00
Social Studies, 02.08.2019 10:00
Social Studies, 02.08.2019 10:00
Mathematics, 02.08.2019 10:00