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Mathematics, 01.06.2020 08:57 bezz2933

John claims that the average age of student vehicles is at least 10 years old. A sample of 86 student's vehicles had a mean age of 10.8 years and standard deviation of 5.4. Using an alpha level of 0.05 test John's claim.

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John claims that the average age of student vehicles is at least 10 years old. A sample of 86 studen...

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