Answers by visitors named: slomomo

it said 9 digits 0-9

Does this look right if it is 0-9 26*26*10*10*10*10=6,760,000

members of congress

It says "Construct a 99% confidence interval estimate of the mean net change in LDL cholestorol after the garlic treatment. What does the confidense interval suggest about the effectiveness of garlic in reducing LDL cholestorol? What is the confidence interval estimate of the population mean μ? ___mg/dL < μ < ___mg/dL I just don't get how to solve this

what does SEm mean?

This is just an added to question to your answer. Let's say that the standardized test had 100 possible points. If we wanted to identify the top 25%, why not just select those with raw scores above 75? Why do we have to standardize the scores?

I don't understand it that is why I am asking for help. I do not expect you to do it for me but maybe show an example?