Tectonic Hazards & Impacts (Edexcel A Level Geography)

Study Figure 1 in the Resource Booklet.

Figure 1

The number of deaths resulting from tsunami events, Eastern Pacific 1979 - 2015

This is part of an investigation into the spatial impacts of tsunami events

i)

Calculate the mean number of deaths recorded.

(1)

Mean = ...........................................

ii)

Calculate the median number of deaths recorded.

(1)

Median = ..........................................................

iii)

Calculate the interquartile range for the number of deaths recorded. You must show your working.

(2)

Interquartile range = .....................................................