Recent content by all4one

Your advice are very helpful... One last question. About "Lurking variables" By deffinition lurkin variables is one that affects the variables being studied, but is not included in the study. How should I attempted to control lurking variables in the data collection process?

So basically I can collect all prices from different textbooks. But it does not necessarily from the website; I can get all the prices from my school bookstore (the point to see whether it's a false claim or not) But the problem is some new textbooks are cheaper than others. How big my sample...

My bad, the website is campusbooks.com not campusbook.com What I was thinking was using the Null(H0), and Alternative (H1) But what my approach should be to get the data? Should I go get 50 sample of textbooks and get the mean price of it? But that way It cannot be that accurate, or should...

I have a project for my statistic class. This is the claim "The website, www.campusbooks.com, claims, that the average price of a new college textbook is $102.44" Where do begin to test about this claim?I have the entire purpose for this project too if you need more information to help me