Agriculture: Wheat For the past 16 years, the yields of wheat (in tons) grown on a plot at Rothamsted Experimental Station (England) follow. The sequence is by year.

3.8 1.9 0.6 1.7 2.0 3.5 3.0 1.4 2.7 2.3 2.6 2.1 2.4 2.7 1.8 1.9 Use level of significance 5% to test for randomness about the median.

AppendixLO1