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Question
In order to estimate the difference between the average Miles per Gallon of two different models of automobiles, samples are taken and the following information is collected.| Model A | Model B | |
| Sample Size | 60 | 55 |
| Sample Mean | 28 | 25 |
| Sample Variance | 16 | 9 |
a. At 95% confidence develop an interval estimate for the difference between the average Miles per Gallon for the two models.
b. Is there conclusive evidence to indicate that one model gets a higher MPG than the other? Why or why not?
Explain.
Answer
This answer is hidden. It contains 139 characters.
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