Find the standard deviation of the following set of data and choose the best description for it: {67, 78, 230, 297, 301, 705, 1105, 1400} The small standard deviation means that the data values lie closer to the mean.
The large standard deviation means that the data values lie spread out from the mean.
The small standard deviation means all the data values are equal to the mean.
The large standard deviation means the data values are closer to the mean.

Find the commission on a $590.00 sale if the commission is 15%.

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?