Mathematics, 08.04.2020 17:29 harleycochran2ovyt3n
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
Answers: 3
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A music teacher records the amount of time her students practice their instruments each day. The fir...
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