Statistics !

    1. Using the data set below, please calculate the:

         1              4              2.5          5              3

    -  Range

    -  What would be the percentile rank of the number 2.5?

    2. Fifteen countries were randomly selected from the World Factbook 2004 list of world countries, and the infant         mortality per 1000 live births rate was recorded:

   6.38        101.68   9.48        69.18     64.19     3.73        21.31     52.71

   13.43     29.64     15.24     5.85        11.74     9.67        8.68

 Find the first and third quartile for the infant mortality per 1000 rate.