Open Access

Table 2

The output of Excel’s data analysis t-Test: Two-Sample Assuming Unequal Variances

1 2
Mean 5,3103448 3,3103448
Variance 197,86453 42,935961
Observations 29 29
Hypothesized Mean Difference 0
df 40
t Stat 0,6940653
P(T<=t) one-tail 0,2458264
t Critical one-tail 1,683851
P(T<=t) two-tail 0,4916528
t Critical two-tail 2,0210754

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