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A shing line is being manufactured by two companies. To determine if there is a difference in the mean breaking strength of the lines, 6 pieces from each company are selected at random and tested for breaking strength. The results are: Company A Company B 10.4 11.1 8.8 8.7 10.5 9.5 9.9 7.8 10.9 6.2 11.0 5.9 Test at 0.05 level of significance to nd out if there is a signicant difference in the breaking strength of two kinds of lines manufactured by the two companies. Assume that data is not normal. Use 2 decimal places STATlSTICS: COMPUTED VALUE: TABULAR VALUE; CONCLUSION