In: Statistics and Probability
The
following data represent the breaking strengths of samples of 20
gauge insulated copper wire fron...
The
following data represent the breaking strengths of samples of 20
gauge insulated copper wire fron three different suppliers. The
researcher is interested in findinf evidence that the distribution
of breaking strength differs by supplier. Use the .01 significance
level and the Kruskal- Wallis test to answer the following
questions.
A
150
154
156
161
162
B
157
161
163
166
170
C
143
147
151
154
156
Give the value of the Kruskal-Wallis test statistic for the
above data
whats the p-value?
whats rhe critical value?
whats the decision?