One-Sample Test

Test Value = 0

t

df

Sig. (2-tailed)

Mean

Difference

95% Confidence Interval of the Difference

Lower

Upper

PreDemin_L

116.755

21

0.000

73.3680000

72.061189

74.674811

PostDemin_L

88.814

21

0.000

72.9229091

71.215392

74.630427