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Mathematics 9 Online
OpenStudy (dbzfan836):

Randall set a personal goal to exercise at least thirty minutes for half of the days during the last two months. He recorded his exercise time each day. Use the box and whisker plot of his data to determine whether he reached his goal. Explain.

OpenStudy (dbzfan836):

here's the chart

OpenStudy (dbzfan836):

@mathmale plz help

OpenStudy (dbzfan836):

@mathmale plz help me @ http://openstudy.com/study#/updates/535d0c3ce4b0977f7a186459

OpenStudy (dbzfan836):

Randall set a personal goal to exercise at least thirty minutes for half of the days during the last two months. He recorded his exercise time each day. Use the box and whisker plot of his data to determine whether he reached his goal. Explain.

OpenStudy (mathmale):

What are your own thoughts about this situation? From the box plot, what is the median number of minutes per day that this guy exercises?

OpenStudy (dbzfan836):

Well, I am asking this question to see if I am doing this right. Randal did not reach his goal, and proof is that the median is 20 minutes, below the needed minimum

OpenStudy (dbzfan836):

Am I right?

OpenStudy (mathmale):

Looks as though your conclusion is appropriate. If Randal's median daily exercise time were only 20 minutes, then even if he exercised as many as 60 minutes on an especially good day, that would not bring his daily average anywhere close to 30 minutes.

OpenStudy (dbzfan836):

Yay! thank you, Mathmale! I shall now close the question

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