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C. Determine the test statistics and the degree of freedom Test Statistics: One Sample Mean or Two Sample Mean Tailed Test: One - Tailed Test or Two - Tailed Test df= D. CriticalXTabulated Value E. Computed Value (Final answer only. 2 Decimal places) F. Decision: (No using of symbols) G. Conclusion: A TV manufacturer claims that the life span of its regular TV sets is longer than 10 years. Using a random sample of their 25 TV sets, the average life span is found to be 11.9 years with a standard deviation of 1.8 years. Test the hypothesis that the TV sets' life span is longer than 10 years at or : 0.10 A. State the null and alternative hypotheses: (=,,Z,) (Just copy the symbols here and paste it as your answer) C. Determine the test statistics and the degree of freedom Test Statistics: One Sample Mean or Two Sample Mean