The mean of 200 items is 48 and their Standard Deviation is 3. Find : The sum of all the items, (ii) The sum of squares of all the items.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.2: Proportions
Problem 47WE
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The mean of 200 items is 48 and their Standard
Deviation is 3. Find :
The sum of all the items,
(ii) The sum of squares of all the items.
Transcribed Image Text:The mean of 200 items is 48 and their Standard Deviation is 3. Find : The sum of all the items, (ii) The sum of squares of all the items.
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