Question

訪客

生物統計
Listed below are the heights (cm) for the simple random sample of 16 USA female supermodels (assuming it follows a normal distribution). Use a 0.01 significance level to test the claim that these samples is from a population with a mean height of 176 cm. Can we conclude that these USA supermodels are taller or shorter than the average? Please make sure your answers including (1) hypothesis, (2) test statistics, (3) critical values, (4) confidence interval, (5) conclusion. Please make your conclusion based on a) traditional method, b) Pvalue method, c) confidence interval method.
178 , 177, 176, 174, 175, 178, 175, 178, 178, 177, 180, 176, 180, 178 , 180, 176