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I have a homework question on probability distribution

Customer Question

I have a homework question on probability distribution. I need ASAP

Attachment: 2012-02-26_201644_copy_of_goodyear_chicago.xls


 


Refer to the Real Estate data, which report information on homes sold in the Goodyear Arizona, area last year.


 


a. Create a probability distribution for the number of bedrooms. Compute the mean and the standard deviation of this distribution..


 


b. Create a probability distribution for the number of bathrooms. Compute the mean and standard deviation of this distribution.

Submitted: 5 years ago.
Category: Homework
Expert:  Steve replied 5 years ago.

hi there,

 

do you need the graphs or just the data?

 

Customer: replied 5 years ago.
Both would be great.
Expert:  Steve replied 5 years ago.
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Customer: replied 5 years ago.
Steve which functions did you use in excel to get this answer. I need to know how to get to it.
Expert:  Steve replied 5 years ago.

Hi again, please do not forget to click "ACCEPT" as this is the only way I am credited for my answer - thanks!

 

there is a special tool in excel under data analysis, it outputs the tables automatically - it is an add it pack for excel I believe. If you don't have it then you can just count each observation manually or using the COUNTIF function

 

Then I just made charts and used the average and stdev functions in excel to calculate the mean and stdev.

 

this is the histogram pack: http://support.microsoft.com/kb/214269

 

or see this: http://www.youtube.com/watch?v=-P5h45EDOm0

 

or this: http://peltiertech.com/Excel/Charts/Histograms.html


Please let me know if you have further questions .


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thank you in advance.

 

 

Steve

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Customer: replied 5 years ago.

Since this was a discrete probability distribution, I thought other probability functions in excel were to be used.

 

Thanks for your help.

Expert:  Steve replied 5 years ago.
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