540
Alpha
Enter an alpha value used to calculate the critical values of the t shown in
the output.
See “Output Options” at the beginning of this section for information on
the output storage options.t-Test: Two-Sample Assuming Equal Variances
The t-Test: Two-Sample Assuming Equal Variances command calculates the
unpaired two-sample Student’s t-test. The test assumes that the variances
in the two groups are equal. The output includes both the one-tail and the
two-tail critical values.Variable 1 Range
Enter an input range for the fi rst sample; it must be a single row or column.Variable 2 Range
Enter an input range for the second sample; it must be a single row or column.Hypothesized Mean Difference
Enter a mean difference with which to calculate the t-test. If no value is en-
tered, a mean difference of zero is assumed.