Ina certain type of metal test specimen, the normal stress on a specimen is known to be functionally related to the shear resistance. The following is a set of code experimental data on the two variables: Normal StresS, X Shear Resistance, y 26.8 25.4 28.9 23.6 27.7 23.9 24.7 28.1 26.9 27.4 22.6 25.6 26.5 27.3 24.2 27.1 23.6 25.9 26.3 22.5 21.7 21.4 25.8 24.9 Estimate the B1.

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