A researcher wants to test the hypothesis that heating will increase the diameters of girders. In a sample of nine girders the change in diameter (in millimeters) after heating was as follows: 0.125 0.159 0.259 0.277 0135 0 0.224 0 0.05 Test the hypothesis that heating increases the diameter at the level of significance 0.01 a. The p-value is 0.002. Consequently, we reject the null hypothesis b. The bacjground conditions are not satisfied. Thus, we cannot carry out this hypothesis test. c. The p-value is 0.03. Consequently, we fail to reject the null hypothesis ) d. The p-value is 0.005. Consequently, we reject the null hypothesis