Years of Experience

An HR department analyzed the years of work experience of the company's two largest departments: Production and R&D. Based on the analysis the following report was produced:

Years of Experience Distribution

What can be concluded about the years of experience for each department?

(Select all acceptable answers.)

The median for Production is larger than the median for R&D.
The standard deviation for R&D is larger than the standard deviation for Production.
For R&D the arithmetic mean is the same as its median.
If a new employee with no experience joins R&D,  the standard deviation of its distribution will rise.
If an employee with 18 years of experience leaves Production its standard deviation will rise.
For Production the arithmetic mean is larger than its median.

Engineering Math Arithmetic Mean Median Standard Deviation Statistics New Public


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