# Thread: Standard Deviation - fahrenheit to celsius

1. ## Standard Deviation - fahrenheit to celsius

Hi, I have a quick question...

I have a question, if the mean tempature was -19.3 C and the standard deviation was 2.3 C..... when converting to Fahrenheit mean is easy i get -2.74F but I can't figure out the standard deviation conversion.... any help?

2. Originally Posted by googy
Hi, I have a quick question...

I have a question, if the mean tempature was -19.3 C and the standard deviation was 2.3 C..... when converting to Fahrenheit mean is easy i get -2.74F but I can't figure out the standard deviation conversion.... any help?
Convert it just as if it were a temprature.

RonL

3. Thanks for the reply.... That was the first thing I tried and I got 36.14F... that wasn't the right answer though... I read on another thing online that you cant convert standard deviation straight from celsious to farenheit... if anyone else has another suggestion i'd appreciate it.

4. Originally Posted by googy
Hi, I have a quick question...

I have a question, if the mean tempature was -19.3 C and the standard deviation was 2.3 C..... when converting to Fahrenheit mean is easy i get -2.74F but I can't figure out the standard deviation conversion.... any help?
We know that the standard deviation is $2.3^o ~C$. This represents a change in the temperature, so you are correct that you can't simply use the formula to change the temperature. However you can still use it in the following sense:

We know that a change in temperature of $100^o ~C$ corresponds to a change in temperature of $180^o~F$. So that's our conversion factor for a change in temperature:
$2.3^o~C \cdot \frac{180^o~F}{100^o~C} = 4.14^o~F$

-Dan

5. Thanks a lot I appreciate the help.. I completely get it now.

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# Convert temprature from farenhite to celcius

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