Question

<sub>5. Miles per gallon (mpg) of U.S. made cars vs. Japanese made cars are compared. The following data is available.
Use Alpha =0.05 and Two tail.
SAMPLE 1: NUMBER OF OBSERVATIONS = 249
MEAN = 20.14458
STANDARD DEVIATION = 6.41470

SAMPLE 2: NUMBER OF OBSERVATIONS = 79
MEAN = 30.48101
STANDARD DEVIATION = 6.10771
5.1 Hypothesis are:</sub>

_{5.2 The calculated t value is:}

_{5.3 The critical t value is:
5.4 The result is: (Fail to Reject or reject null hypothesis)
5.5 The conclusion is:}

Answer 1