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Table 1 Analysis of body orientation during defecation (all records, i.e., no differentiation between different magnetic conditions)

From: Dogs are sensitive to small variations of the Earth’s magnetic field

  Defecation: all records
Variable Pooled Pooled Means (n > 5) Means (n > 5)
Data type angular axial angular axial
Number of observations 1,893 1,893 49 49
Mean vector (μ) 133° 157°/337° 80° 148°/328°
Length of mean vector (r) 0.013 0.052 0.043 0.209
Circular standard deviation 169° 70° 144° 51°
95% Confidence interval (-/+) for μ - - - 121°-174°
99% Confidence interval (-/+) for μ - - - 112°-183°
Rayleigh test (Z) 0.307 5.203 0.091 2.143
Rayleigh test (p) 0.736 0.006 0.914 0.117