t statistic

t statistic, t distribution

the statistical distribution of the ratio of the sample mean to its sample standard deviation for a normal random variable with zero mean. It is the basis of various t-tests used to make inferences about the mean of a normal variable.

Patient discussion about t statistic

Q. What are the known statistics of Autism: Here is a question which needs a very detailed reply please. What are the known statistics of Autism: incidence, cost and ratio?

A. for more statistical information here are 2 sites:
http://www.autism-society.org/site/PageServer?pagename=about_whatis_factsstats

and here is the CDC site link:
http://www.cdc.gov/ncbddd/dd/addmprevalence.htm

Q. Do you know if Propecia can truly stop hair loss and even grow back hair. do you have any statistics about it? do you know if there are any side effects to this medication?

A. it does work but there is some side affects, as in E.D. while you are on the med.

Q. What is the statistic number of women having breast cancer or under the threat of having breast cancer? where would i find a good , and reliable info about the disease ?

A. it is said that today 1 out of any 8 women will have breast cancer. there are also men who has breast cancer but the numbers are considerably lower.
about a good source of info- the site that doctoradhi gave you is pretty good, and you can use also the national medical library link:
http://www.nlm.nih.gov/medlineplus/breastcancer.html#cat22

good luck!

More discussions about t statistic