Answered

An auto company decided to introduce a new six-cylinder car whose mean petrol consumption is claimed to be lower than that of the existing auto engine

Sagot :

8089viz

Answer:

Sample size n =50 Sample mean = 10 km Sample standard deviation s = 3.5 km

Population mean μ = 9.5 km

Null Hypothesis: There is no significant difference between the sample average and the company’s claim, i.e., H0 : μ = 9.5

Alternative Hypothesis: There is significant difference between the sample average and the company’s claim, i.e., H1 : μ ≠ 9.5 (two tailed test)

Explanation: kasi ang frog ay

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