
What assumptions are necessary for this confidence interval to be valid? Make sure you use the words of the problem when stating these assumptions.
The mean mileage of all automobiles is 30,000 miles.
The mean size of all homes is 2,000 square feet.
The mean size of all apartments is 1,000 square feet.
Based on the interval you created, make a statement regarding my claim.
1. The onesample ttest has four main assumptions:
2. Claim: The mean mileage of all automobiles is 30,000 miles.
Since the confidence interval contains 30,000 miles, we can conclude that the mean mileage of all automobiles is 30,000 miles.
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