The functions AVERAGE and MEDIAN are examples of ________ functions, which are useful when the user needs to analyze a group of measurements

Select all of the following statements regarding security policy that are true.

a. Your company should have a written security policy, and all employees should have access to the policy, even if they're casual workers. b. Your small, home-based business probably is not at risk from hackers. c. Access to sensitive data should be limited to only to employees who have worked for the company for more than six months. d. Training on computer security should be provided for all staff members.

If your class is being broadcast to an off-campus location where you are located and the instructor is physically located at the main campus, this class would be an example of a(n) ________

A) distance education course B) external social network C) instant messaging service D) social network