It can be used to figure out if the means of 2 sample distributions are equal, or if a sample mean is equal to the overall population mean.
BHSAT 2008  Packet #10  Packet by Robert, Ian, Danila, and Linna  Its creator, William Sealy Gosset, was not able to name it after himself because he was then employed at a Guinness Brewery, so it was published under the name "Student". It can be used to figure out if the means of 2 sample distributions are equal, or if a sample mean is equal to the overall population mean. Its calculation utilizes the sample standard deviation and divides it by the square root of the sample size. FTP, name this statistical test, usually used for small sample sizes.
BHSAT 2008  Packet #10  Packet by Robert, Ian, Danila, and Linna  Its creator, William Sealy Gosset, was not able to name it after himself because he was then employed at a Guinness Brewery, so it was published under the name "Student".
{t-test} (accept {Student’s t-test})