Recent content by CW-Stats

Ok, well I'm guessing the hypothesis is to figure out how many defects that the given sample of car owners had to get fixed in over the first 2 months that they had owned the car. and would have to use the formula t=(sample mean(3.7)-population mean(?))/(s(?)/Square root of n(33)) So I think...

t test definition From my book it says that t test is a hypothesis test using t as a test statistic and relying on the t distribution for the determination of calculated and critical values. And I'm not sure if you were being sarcastic or not in your reply there, but I will say that I'm...

Not sure if this is the right place to post homework questions or not, but my math problem is this: A consumer magazine has contacted a simple random sample of 33 owners of a certain model of automobile and asked each owner how many defects had to be corrected within the first 2 months of...