Question: We are interested in testing whether the variance of a population is significantly less than 1.44. The null hypothesis for this test is

a) Ho: \({{\sigma }^{2}}\) < 1.44

b) Ho: \({{s}^{2}}\ge \) 1.44

c) Ho: \(\sigma \le \) 1.20

d) Ho: \({{\sigma }^{2}}\ge \) 1.44