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4 votes

testing for a correlation between a real number and percentage accuracy

No real data are ever normally distributed. Statistical model assumptions are idealised thought constructs. Note that for just computing correlations you don't necessarily need a test (and neither ...
Christian Hennig's user avatar
1 vote

minimum total N (value for denominator) when calculating a percentage

As mentioned in the other answer, it depends on the context, and it would be probably non-trivial to review all possible situations. Note that there is another thread directly related to your question,...
J-J-J's user avatar
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5 votes

Is it problematic to use percentages to describe a sample with less than 100 people?

It depends on the situation and how you communicate it. The short answer is: Yes, it is problematic, and you should not do this. I am coming from an applied perspective; most of my career has been ...
Mark White's user avatar
  • 10.7k
10 votes
Accepted

Is it problematic to use percentages to describe a sample with less than 100 people?

Percentage is just a simple way to express a number Percent, %, is just a number expressed as a fraction (or ratio) with the denominator being one hundred. It derives from Latin 'per hundred'. We also ...
Sextus Empiricus's user avatar
4 votes

Is it problematic to use percentages to describe a sample with less than 100 people?

The percentage (or proportion) is the maximum likelihood estimator for the true percentage (or proportion) for a binomial distribution*. That does not really change with the sample size. However, on ...
Björn's user avatar
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2 votes

Is it problematic to use percentages to describe a sample with less than 100 people?

If you want to be really technical about it, I suppose you can consider the "percent" operator to be a correspondence (not a function) that maps the decimal value to all possible pairs of ...
Dave's user avatar
  • 67k

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