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250 Inference app
Inputs The inputs are:
Results The results are:
Field
name
Definition
Sample 1 mean
Sample 2 mean
s
1
Sample 1 standard deviation
s
2
Sample 2 standard deviation
n
1
Sample 1 size
n
2
Sample 2 size
Significance level
Pooled Check this option to pool samples
based on their standard deviations
x
1
x
2
Result Description
Test T T-Test statistic
Test Difference in the means associated
with the test t-value
P Probability associated with the T-Test
statistic
DF Degrees of freedom
Critical T Boundary values of T associated with
the level that you supplied
Critical Difference in the means associated
with the level you supplied
x
x