Consider the following dependent random samples Observations O x-values 155 140 142 159 162 169 y-values 169 150 151 145 173 180 d = [di=-6.833 Edi- d - 10.34 n-1 1. State the null and alternative hypotheses, the degrees of freedom and the t value. 2. State if this a left-tailed, right-tailed, or two-tailed test. 3. Do hypothesis testing to see if ud < 0 at the a = .05. 4. State the conclusion drawn based on the computations