Question: typewritten with solution It is claimed that the average life span of a Filipino is 72.5 years with a standard deviation of 3.5 years. A

typewritten with solution It is claimed that the average life span

typewritten with solution

It is claimed that the average life span of a Filipino is 72.5 years with a standard deviation of 3.5 years. A random sample of 100 recorded deaths found a mean age of 74 years. Use 0.05 level of signicance. What is the Computed value? What is the Degree of freedom? What is the Critical value? What is the Interpretation? What is the Decision? A certain brand of gasoline claims that the average distance that a car can travel for a liter is 100 kilometers with a standard deviation of 12 kilometers. A random sample of 25 cars was tested and was found to travel an average distance of 110 kilometers for a liter of gasoline. It is safe to say that the claim is true at 0.05 level of signicance? What is the Computed value? What is the Degree of freedom? What is the Critical value? What is the Interpretation? What is the Decision

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