Identify two additional aspects of an unhealthy lifestyle that do not involve nutrition

In 1999 >    nearly  20,000

In 2007  >   Doubles by 20, 000   to   40,000  >  60,000  -   40,000  >   20,000

Therefore, Your answer would be,   Range >  20, 000

Mean:  >   30000

Median:  >   30000

Range:      >    20000

Mode:  >    All values appeared just once.

Largest:   >   40000

Smallest:  >   20000

Sum:   >    60000

Count:   >   2

Sorted Data Set: 40000, 20000

Therefore, Your answer would be,   Range >  20, 000

Hope that helps                                    : )