As of May 31, 2023, we have updated our Code of Conduct.

# Questions tagged [ratio]

the quantitative relation between two amounts showing the number of times one value contains or is contained within the other. Mathematically the quotient of one amount by another amount.

355 questions
Filter by
Sorted by
Tagged with
62 views

### How to calculate the error on the ratio of a counting experiment?

In an experiment I repeat some task $n$ times and count how often the task completes successfully. This gives the number $m$. Therefore the success ratio is $$r = \frac{m}{n}$$ To calculate the ...
24 views

### Confidence interval for ratio between two values without confidence intervals

I have two numeric variables (death rates), each without confidence intervals, and I want to calculate the CI of the ratio between the two values. I was using the MOVERR method developed by Donner &...
20 views

### Weighed average (percentage) depending on the number of facilities in each given region

I have 10 regions with facilities (different number of facilities in each region) that test people for presence of condition A. However, there are also facilities, that were included in the pilot ...
1 vote
22 views

### Regression Model for a Ratio Outcome with Count Variables as Numerator and Denominator

I have a dataset where each row corresponds to a country and contains independent variables such as "per capita income" and "mean education status." Additionally, there are two ...
7 views

### Relate ratios to sample size

suppose to have the following situation: you have a total number of deaths equal to 120. Of them, 20 individuals had cancer. The ratio is 20/120 = 0.16. The total individuals with cancer was 320. How ...