EvankzGao

08.04.2020 • 

Mathematics

A music teacher records the amount of time her students practice their instruments each day. The first quartile of the teacher's data is 25 minutes. The third quartile is 33 minutes. Which statement must be true?

a) about 25% of the students practice their instruments for 25 minutes or less in a day
b) exactly 50% of the students practice their instruments for 29 minutes or less in a day
c) exactly 25% of the students practice their instruments for exactly 25 minutes in a day
d) about 50% of the students practice their instruments for 33 minutes or more in a day

Ответ:

haleydanielle8

08.04.2020

Mathematics

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the answer is a

Step-by-step explanation:

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Ответ:

superstarsara5ouh83x

08.04.2020

Mathematics

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no

Step-by-step explanation:

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Ответ:

lolyan555

02.08.2022

Mathematics

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To describe the change that occurs to the coordinates of a vertex of a figure when it is reflected across the y-axis, the sign of the x-coordinate changes; the y-coordinate stays the same. The correct answer between all the choices given is the first choice or letter A. I am hoping that this answer has satisfied your query about and it will be able to help you.

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