The chart below shows cell phone for seven years.?

Question

The chart below shows cell phone for seven years.

Year Number of Cell Phone Minutes (billions)

1999 2000 2001 2002 2003 2004 2005

156 264 401 540 705 857 1,000

According to the line of best fit for the data, what is the appropriate average annual increase in cell phone minutes for 1999-2005?

108 billion minutes

121 billion minutes

141 billion minutes

144 billion minutes

Answer 1

121