What is 25.05 rounded 1 decimal place?

Answer 1

According to IEEE standard, which requires rounding to an even digit, it is 25.0 but the schools teach you always to round 5 up This is despite the fact that this method introduces an upward bias in the data and is, therefore, inappropriate.

Answer 2

Using the IEEE standard 754 (round 5 to even) is it 25.0.

However, most schools teach a flawed (biased) method according to which 5 is always rounded up. Under that rule, the answer is 25.1