jamovi

Thank you! I appreciate your response. This equation was a bit puzzling to me without knowing more about how the variables were defined.

The R documentation is great though and helped to fill in the gaps.

https://www.rdocumentation.org/packages ... s/quantile

How are percentiles calculated in Jamovi? I have searched high and low and I cannot find a clear answer.
When I request percentiles (25, 50, 75) for the follow set of data:

5
8
10
15
18
25
30
35
40
45

the output reports:
25th 11.3
50th 21.5
75th 33.8

The 50th percentile is pretty ...