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Based upon an indication, daily car rental rates may be higher for Boston than for Dallas....

Based upon an indication, daily car rental rates may be higher for Boston than for Dallas. A survey of eight car rental companies in Boston indicates that a sample mean on rental rate is $47 and a standard deviation is $3. A survey of nine car rental companies in Dallas has the sample mean is $44 and the standard deviation is $3. Use a = .05 to test whether the average daily rental rates in Boston are higher than those in Dallas. Assume that car rental rates are normally distributed and the pollution variances are equal.

Math   Statistics-And-Probability   
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from above as test statistic is higher than critical value we; reject null hypothesis and conclude that average daily rental rates in Boston are higher than those in Dallas

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