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  1. Should I round a decimal number of people up or down?

    Dec 19, 2018 · In many cases, the assumption will be to either round down or to the nearest integer, but I believe that always rounding up is also a fairly reasonable thing to assume.

  2. numerical methods - How do you mathematically round a number ...

    How does someone mathematically round a number to its nearest integer? For example 1.2 would round down to 1 and 1.7 would round up to 2

  3. Why do we generally round 5's up instead of down?

    Mar 5, 2013 · 23 WE do this because when you round, generally it is with decimals that are rational or long. When there is 5.000000000000000001, it is better to round up. So, lets say …

  4. How to round the mean number of people - Mathematics Stack …

    Oct 7, 2018 · There is no intrinsic reason to round at all. Even though all your samples have a whole number of people the mean may well not. Just report $4.3$ or $4.7$ or whatever you …

  5. Rules for rounding (positive and negative numbers)

    This advantage exists with some of the other rules, but with the others you lose the first advantage. With "round up" or "round down" you introduce a bias because the digit 5 will …

  6. Standard deviation sig figs - Mathematics Stack Exchange

    May 30, 2020 · The usual rule is to round a sum to the same number of decimals. If you have at least $10$ items in the sum, the count of items is exact, so the uncertainty in the mean is …

  7. How precise when reporting mean and standard deviation?

    Mar 10, 2022 · Would it then be correct to state that A = 13.727 m * 43.313 m = 594.56 m^2 (only 2 decimals because 5 significant digits in the original data). However, the standard deviation is …

  8. How to calculate a rounded unit price, and rounded units, so …

    Mar 18, 2025 · say I need the total price to be rounded to 2 decimals e.g. 10.00 I have 3 units rounded to 0 decimals so 3 Now I want a rounded unit price to 2 decimals to always reflect the …

  9. Are there different conventions for 'rounding to even'?

    Aug 27, 2024 · if the original number is equidistant from its nearest rounded options and the rounding digit is odd, then round away from zero (i.e., increase that odd rounding digit by one …

  10. I'm stuck with rounding decimals and have been for years

    Apr 1, 2014 · For example: Round 8.647 to one decimal place. Would this be 8.7 or 8.6 as I have never understood if the third number affects the second number first. Also recurring decimals, …