The first of two samples has 100 items with mean 15 and standard deviation of 3. If the whole group has 200 items with mean of 15.6 and standard deviation √(13.44). Find the standard deviation of the second group
Displaying ads are our only source of revenue. To help Teachoo create more content, and view the ad-free version of Teachooo... please purchase Teachoo Black subscription.
Please login to view more pages. It's free :)
Teachoo gives you a better experience when you're logged in. Please login :)
Solve all your doubts with Teachoo Black!
Teachoo answers all your questions if you are a Black user!
