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:
Go to math-way :) it will answer it
Answer:
count by nines to get to your answer and it will tell you so just count by nines
Answer:

Step-by-step explanation: