t-Test for Independent Samples (n per sample up to
)
This page will calculate the value of t for the difference between the means
of two independent samples, for sample sizes up to n=
. It will also calculate various summary statistics for the two
samples.
Procedure:Q Enter the values of
Xa and Xb into the cells of the designated columns,
beginning in the top-most cell of each column. After each entry, depressing the
'tab' key will take you down to the next cell in the column. After all values of
Xa and Xb have been entered in this fashion, click the
button labeled «Calculate».
If you wish to perform another analysis with
a different set of data: click the «Reset» button if the value of n for the new
set of data is
or smaller; click the «Reload» button if the value of n is larger than
.Q
Data EntryQ
Xa
Xb
Data SummaryQ
Xa
Xb
n
Variances and standard deviations are calculated with
denominator = n-1.