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How many decimal places test statistic?
One interesting thing here is also that the paper states for test statistic, only one decimal place and max. 2 significant places should be given. In a statistics course we were taught to give test statistic results to at least 6 decimal places.
How many decimal places should mean have?
A suitable rule specifies up to one decimal place and up to two significant digits. When comparing group means or percentages in tables, rounding should not blur the differences between them.
Can sample size be a decimal?
always round up the sample size no matter what decimal value you get. (For example, if your calculations give you 126.2 people, you can’t just have 0.2 of a person — you need the whole person, so include him by rounding up to 127.)
How many decimal places to write SE to?
The decision to write the SE to three sig figs (five decimal places) is more arbitrary: two sig figs would work; one probably would not; four sig figs would also work and be consistent with the 4-5 sig figs in the mean; more than four sig figs would be overkill.
Do you have to put decimal places on percentages?
In most applications, saying the 73% prefer option A and 27% prefer option B is perfectly acceptable. But if you’re dealing in an election where candidate X has 50.15% of votes and candidate Y has 49.86%, the decimal places are very much necessary.
How to figure out the correct sample size?
Determining sample size: how to make sure you get the correct sample size. 1. Population size. How many people are you talking about in total? To find this out, you need to be clear about who does and doesn’t fit into your 2. Margin of error (confidence interval) 3. Confidence level. 4. Standard
Why do I write the mean to 3 decimal places?
My decision to write the mean to three decimal places (and 4-5 sig figs) was based on the order of magnitude of the SE, which indicates the last digit is partially reliable.