## Statistics Resources

A battery manufacturer tests a sample of 100 of their AA batteries to see how much power they can provide. They use the batteries 2 at a time to power a portable CD player and determine how long...

Confidence Interval (1) When constructing a confidence interval estimate of the population mean μ, how do you decide between the normal distribution and Student t distribution...

If the correlation between X and Y is 0.3 what is the correlation between (2x+3)/5 and (4Y+7)/11??? A.0.3 B.0.3/5×11 C.2×4×0.3/5×11 D.none

It’s a math question so that I can graduate and tbh I basically never was g in school and this is on an assignment that if I do well on it I can graduate and get into the automotive trade like I had...

Consider the Paired observation on (X,Y):(0,0),(1,2),(2,3),(3,5) and (5,7). A regression line of the form Y= b+aX is to be fitted based on the observations by the least square method.The least...

The random variable X and Y have joint distribution P (X=i, Y=j) =c(i+j), for i=0,1 ;j=1,2,3 The value of c is A. 1/6 B. 1/9 C. 1/12 D. 1/15

I have two sets of customers A and B and I measure satisfaction score based on their response to the questionnaire. I need help with the following calculation. I have 1 million customers in...

14. A researcher studied the relationship between familiarity of certain unusual words and the time participant took to indicate whether the word is singular or plural. Participants rated their familiarity...