Question: 2. In a certain type of test specimen. the normal stress on a specimen is known to be functionally related to the resistance. The following

2. In a certain type of test specimen. the normal stress on a specimen is known to be functionally related to the resistance. The following is a set of a coded experimental data on the two variables: Normal Stress, x Resistance, y 26.8 26.5 25.4 27.3 28.9 24.2 23.6 27.1 27.7 23.6 23.9 25.9 24.7 26.3 28.1 22.5 26.9 21.7 27.4 21.4 22.6 25.8 25.6 24.9 (a) Estimate the regression line (b) Estimate the resistance for a normal stress of 24.5 kilograms per square centimeter

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