Central limit theorem (CLT)
Also written: CLT, central limit theorem
Averages of many independent values are close to a normal (bell) curve, whatever shape the individual values have. That's why mean ± 1.96 SE works as a 95% range for an average.
Also written: CLT, central limit theorem
Averages of many independent values are close to a normal (bell) curve, whatever shape the individual values have. That's why mean ± 1.96 SE works as a 95% range for an average.