Table 18 Results of two-sample t-test (assuming equal variances) for two sets of statistical data on absorption energy

Mean

53.4998

54.0898

Variance

2.272149522

2.349873967

Observations

10

10

Pooled Variance

2.311011744

Pooled standard deviation 1.520201218

Hypothesized Mean Difference

0

df

18

t Stat

-0.867832555

P(T < = t) one-tail

0.198454422

t Critical one-tail

1.734063607

P(T < = t) two-tail

0.396908844

t Critical two-tail

2.10092204