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A manufacturer of steel wants to test effect of method of manufacture on the tensile strength of the specific type of steel. Four different techniques have been tested and data shown in Table 1. Test the significance of the effect at α = 0.05

Table 1

Methods Tensile Strength

1	2650	2765	2750	2600
2	2985	2975	2865	2890
3	2775	2620	2690	2700
4	2900	2885	2850	2950

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M922086

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