When you take 500 obseravations instead of 100 observations of a measurement, by what factor is probable error reduced ?

When you take 500 obseravations instead of 100 observations of a measu

1.	When you take 500 obseravations instead of 100 observations of a measurement, by what factor is probable error reduced ?
Answer» SOLUTION :The PROBABLE ERROR REDUCES to `1//5 TH.`