Sunday, October 05, 2008

Long time .. No see

It seems like ages since we did Standard Deviation .. Can you remember it?
Here is a question..
The number of hours worked by a part time Care Assistant each day is
4 5 6 5 5

(a) What is the average (mean)number of hours worked?
(b) What is the Mode?
(c) What is the Range?
(d) What is the Standard Deviation?

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