Table 2 Estimate error in the frequency of peak values

9.37 ± 0.47

0.032 ± 0.074

0.039 ± 0.070

P = 0.708

8.49 ± 0.24

0.004 ± 0.003

0.016 ± 0.015

P < 0.001

7.51 ± 0.32

0.004 ± 0.002

0.027 ± 0.043

P = 0.006

6.47 ± 0.27

0.005 ± 0.007

0.017 ± 0.023

P = 0.011

5.45 ± 0.32

0.003 ± 0.002

0.018 ± 0.023

P = 0.001

4.37 ± 0.27

0.003 ± 0.002

0.019 ± 0.019

P < 0.001

3.51 ± 0.29

0.013 ± 0.035

0.043 ± 0.053

P = 0.016

6.41 ± 2.01 (MN)

0.009 ± 0.030 (MN)

0.023 ± 0.039 (MN)

P < 0.001