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.
1 answer:
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:
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Answer:
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Step-by-step explanation:
plug in a number for y.
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Step-by-step explanation:
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Use the ratio of the number to the percentage to get the required answer.
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Step 2
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Step-by-step explanation:
