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Evidence to support the shop claim

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A repair shop believes that people travel more than 3500 miles between oil changes. A random sample of 8 cars getting an oil change has a mean distance of 3375 miles since having an oil change with a standard deviation of 225 miles. At alpha = 0.05, do you have enough evidence to support the shop's claim?

Show your hand calculations OR explain how you used Excel to solve.

Reference no: EM131097999

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Evidence to support the shop claim : A repair shop believes that people travel more than 3500 miles between oil changes. A random sample of 8 cars getting an oil change has a mean distance of 3375 miles since having an oil change with a standard deviation of 225 miles. At alpha = 0.0..
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