Question

Find the mean of the following group of numbers: 6.1, 5.9, 4.2, 5.9, 10.7. Round your answer to one decimal place.
Answer

Answer 1

just add all together and divide it by 5

Answer 2

\[\frac{6.1 + 5.9 + 4.2 +5.9 + 10.7}{5} = \frac{32.8}{5} = 6.56 \approx 6.6\]

Answer 3

http://www.wolframalpha.com/input/?i=mean+6.1%2C+5.9%2C+4.2%2C+5.9%2C+10.7