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Mathematics 7 Online
OpenStudy (anonymous):

The scatter plot shows the number of mistakes a piano student makes during a recital versus the amount of time the student practiced for the recital. How many mistakes do you expect the student to make at the recital after 6 hours of practicing? 55 mistakes B. 37 mistakes C. 63 mistakes D. 45 mistakes

OpenStudy (anonymous):

Please I hope someone can help me

OpenStudy (anonymous):

What does a guess have to do with math?

OpenStudy (anonymous):

I'm thinking its 37 mistakes

OpenStudy (anonymous):

yes exactly.. If this is a math question than you must have left something out...

OpenStudy (anonymous):

Let me see if I can upload the picture

OpenStudy (anonymous):

OpenStudy (anonymous):

There you go

OpenStudy (anonymous):

A

OpenStudy (anonymous):

I can't read the x unit of the x variable. Is it in hours?

OpenStudy (anonymous):

it's hours.

OpenStudy (anonymous):

all you have to do is read the graph.

OpenStudy (ujjwal):

find equation of line of regression and substitute time=6hrs in it. you will get the answer. Or else the easier and the required way: Read the graph. find the number of mistakes corresponding to 6 hrs. It ca be clearly seen there.

OpenStudy (ujjwal):

*can

OpenStudy (anonymous):

I have it now thanks guys

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