n 2022, Los Angles Times reported that the mean fare to fly from San Francisco to Los Angeles, on a discount ticket was around $360. A random sample of round-trip discount fares on this route last month is provided below: At the 0.05 significance level, can we conclude that the mean fare has increased? Amount 390 386 390 430 410 350 370 380 399 365 391 375 381 400 389 410 398 358 421 398

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Q: A magazine collects data each year on the price of a hamburger in a certain fast food restaurant in…

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Q: A certified mechanic was timed for the repair of an automobile on 14 separate occasions. Over the…

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Q: A magazine collects data each year on the price of a hamburger in a certain fast food restaurant in…

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Q: A magazine collects data each year on the price of a hamburger in a certain fast food restaurant in…

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Q: A certified mechanic was timed for the repair of an automobile on 14 separate occarision. over the…

A: From the given data: x¯1=250.93    n1=14       s1=62.9768x¯2=273.79    n2=14       s2=77.5918…

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