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May 5, 2015

Homework Help: Math

Posted by Angie on Wednesday, June 10, 2009 at 6:58pm.

A movie theater recorded the number of tickets sold daily for a popular movie during the month of June. A box-and-whisker plot represents the number of tickets sold.

minimum-100
maximum-8
1st quartile-300
median-400
3rd quartile-600

Which conclusion can be made using this plot?

a. the second quartile is 600.

b. the mean of the attendance is 400.

c. the range of the attendance is 300 to 600.

d. twenty-five percent of the attendance is between 300 and 400.

The answer is d., but I don't know why

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