1. A new drug on the market is claimed by its manufacturers to reduce overweight women by 4.55 kg per month with standard deviation of 0.91 kg. Ten women chosen at random have reported losing an average of 4.05 kg within a month. Does this data support the claim of the manufacturer at 0.05 level of significance? Hypotheses Test Statistics Type of Test Given (right-tailed test, left- Critical Value Null and Alternative (z test or t test) tailed test or two tailed test) Ho: Ha: Computed Test Acceptance Region, Rejection Region, and Test Statistics Value Statistic Value -1.74 Decision:2. The director of a secretarial school believes that its graduates can type more than75 words per minute. A random sample of 12 graduates has been found to have an average of 77.2 words per minute with a standard deviation of 7.9 words per minute in a typing test. Using the 0.05 level of significance, test the claim of the director. Hypotheses Test Statistics Type of Test Given (right-tailed test, left- Critical Value Null and Alternative (z test or t test) tailed test or two tailed test) Ho: Ha: Computed Test Acceptance Region, Rejection Region, and Test Statistics Value Statistic Value 0.96 Decision