My Math Forum Finding the variance, given mean and standard deviation

 Algebra Pre-Algebra and Basic Algebra Math Forum

 February 9th, 2012, 07:35 PM #1 Senior Member   Joined: Feb 2012 Posts: 110 Thanks: 0 Finding the variance, given mean and standard deviation A population of N=10 scores has a mean of 50 and standard deviation of 5. What is the population variance?
 February 10th, 2012, 12:14 AM #2 Senior Member   Joined: Dec 2011 Posts: 277 Thanks: 1 Re: Help please Hi tsl182forever8, could you please supply the exact wording of the question? Though I'm not good at statistics, I'm quite sure that there isn't enough information to carry out the calculation.
 February 10th, 2012, 06:37 AM #3 Global Moderator     Joined: Nov 2009 From: Northwest Arkansas Posts: 2,766 Thanks: 4 Re: Finding the variance, given mean and standard deviation Isn't the standard deviation equal to the square root of the variance? Then we have s = ?(v) s^2 = v They gave you s, so square it...

 Tags deviation, finding, standard, variance

### finding percentage out of a population given mean and standard deviation

Click on a term to search for related topics.
 Thread Tools Display Modes Linear Mode

 Similar Threads Thread Thread Starter Forum Replies Last Post Kinroh Advanced Statistics 1 September 5th, 2013 01:31 PM HenryMolaison Algebra 2 February 20th, 2013 01:33 PM strawberryPK Algebra 1 February 1st, 2013 07:06 PM margybear Algebra 3 February 22nd, 2012 10:10 PM 212111 Advanced Statistics 0 August 27th, 2009 02:10 AM

 Contact - Home - Forums - Cryptocurrency Forum - Top