·

σ (EN)
huruf, simbol

huruf “σ”

σ, sigma
  1. huruf kelapan belas dalam abjad Yunani, sigma huruf kecil
    In Greek language classes, students learn that σ is the lowercase form of sigma.

simbol “σ”

σ
  1. (matematik) simbol yang mewakili sisihan piawai dalam statistik
    The statistician calculated σ to understand how the data varied from the mean.
  2. (fizik) simbol yang mewakili kekonduksian elektrik
    The electrical conductivity σ increases with temperature in this material.
  3. (fizik) simbol yang mewakili luas keratan rentas
    The scattering cross-section σ is crucial in nuclear physics experiments.