Incorrect result of the Band Collection Statistics

[iacidandara]

Hello,

I am correlating 2 raster files in the "Band Collection Statistics" tool. However, the result is 1 and 2 in the generated txt file.

- the data are in tiff

-Version Arcgis 10.7.1

Below is the statistical result of the  Band Collection Statistics.

Sincerely,
 
Iací Dandara S. Brasil