Non parametric statistic

Activity 3 1) Sample from 3 types of wheat were tested for protein percentage. The data is given below Type I 4.7 4.9 5.5 5.0 5.4 6.1 Type II 6.2 5.6 6.5 5.7 Type III 5.9 5.6 4.8 7.1 7.0 Test whether the protein contents in the three varieties of wheat are the same