Now that his car is 5 years old, he would like to know whether the variability of gas mileage has changed. He recorded the gas m

Question

3 years ago

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Now that his car is 5 years old, he would like to know whether the variability of gas mileage has changed. He recorded the gas m

ileage from his last eight fill-ups; these are listed here. Conduct a test at a 10% significance level to infer whether the variability has changed.

Mathematics

1 answer:

Kamila [148] · Answer 1 · 2022-06-09T16:23:46+03:00

Answer:

Now that his car is 5 years old, he would like to know whether the variability of gas mileage has changed. He recorded the gas mileage from his last eight fill-ups; these are listed here. Conduct a test at a 10% significance level to infer whether the variability has changed.

Step-by-step explanation: