Question

In the following image, the memory usage of various processes of a computer running a Windows Operating System is shown:

Windows Task Manager Applications Processes Performance Networking Users Session ID CPU Mem Usage 18,952 K ISUSPM.exe plugin-container.exe Irene GoogleDesktop.exe Irene nvraidservice.exe Irene End Process

A. Find the following measures of central tendency of the memory usage in kilobytes (Kb):

*Mean

*Mode

*Median

B. Find the following measures of dispersion of the memory usage in Kb:

*Range

*Variance

*Standard Deviation

C. Identify the values that are responsible for the variance of the dataset. Provide a possible solution on how the computer user could decrease the variance of his or her memory usage.