Grace is looking at a report of her monthly cell-phone usage for the last year to determine if she needs to upgrade her plan. The list represents the approximate number of megabytes of data Grace used each month. 700, 735, 680, 890, 755, 740, 670, 785, 805, 1050, 820, 750 what is the standard deviation



All of the following are basic components of a security policy EXCEPT the 

A. definition of the issue and statement of relevant terms. 
B. statement of roles and responsibilities 
C. statement of applicability and compliance requirements. 
D. statement of performance of characteristics and requirements.
3 5 3