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Physical properties of six flame-retardant fabric samples were investigated in an article. Use the accompanying data and a 0.05 significance level to determine whether a linear relationship exists between stiffness x (mg-cm) and thickness y (mm). 7.89 24.57 12.39 7.07 23.98 35.81 y 0.27 0.68 0.30 0.28 0.83 0.58 State the appropriate null and alternative hypotheses. OH: P = 0 Ha : p > 0 OH: p # 0 Ha: p = 0 O Ho: P = 0 Ha: p # 0 OH: P = 0 Ha: P