Question

1) Find the Mean (Ungrouped)

Earthquake Strengths Twelve major earthquakes had Richter magnitudes
shown here.
7.0, 6.2,7.7, 8.0, 6.4,6.2,7.2,5.4,6.4,6.5,7.2,5.4

Answer 1

6.633...

Explanation:

(7.0 + 6.2 + 7.7 + 8.0 + 6.4 + 6.2 + 7.2 + 5.4 + 6.4 + 6.5 + 7.2 + 5.4) / 12

Answer 2

6.6333333

The mean is an average, so you add all the numbers together and divide by the number a values added together.