Does anyone here know how to calculate a standard deviation given 2 ranges and a result?
It's from a vitamin D bloodwork that I got done because I suspected it was low as I work with computers and spend all day indoors and only go out at night.
Suppose result for Vitamin D was 20.2, range is from 12-60 (lower than 12 is severe deficiency, higher than 60 is an overdose). So yeah I need to get some sun since it's on the lower end.
Anyway, they gave me an "SD%" value, this I think means "standard deviation". This value is of -32.9%
My question, how is that calculated? I mean how do you calculate the standard deviation of the result given that range?
Im not a numbers guy so I would like to know how that works. I assume someone here knows basic math to figure that out. I believe that right vitamin D helps with thinking straight and have less brainfog = more gains.
Just stand in the sun for 30 minutes ,,,, also I’d advise to have sex
Tyler Ramirez
Yeah I already did but that board is slow as fuck if not dead.
I mean cmon, there's people here doing business in college right? or some STEM guys? is anyone here literally unable to do this? I don't believe it, I think it just takes some simple math but im too much of a brainlet.
I just need to know how to calculate the standard deviation in order to apply it into other markes too
I have a lot of money now, I just want to learn and improve my health.
Dominic Powell
Standard Deviation is calculated by square-rooting Variance. Variance specifically specifically goes out of its way to get rid of negatives in its calculation, so idk how you have a SD of "-32.9%"
Ryan Scott
maybe they implied his deviation from the median is -32% of the standard deviation of a larger group?
Ayden Flores
Well, im not sure what SD means, i just supposed it means that.
Anyone has no idea where that -32.9% comes from?
Jack Ross
just asked my doc it means you have terminal cancer m8 sorry but you only have 5 minutes to live unless you reply to this post
Josiah Thompson
obviously it's in relation to the SD of the population, a single sample as in OP's can't even have a SD
