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State the hypothesis and identify the claim

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A car gets a mean of 18 mpg. Test to see if a cheaper gradde of gas makes any difference in the gas miles .01 level. A sample of 38 fillups with cheaper gas got a mean of 17.8 mpg and standard deviation of .6. State the hypothesis and identify the claim, find the critical value, compute test value, make decision and summarize.

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Reference no: EM132386825

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