Question: According to Zagat s latest edition the average cost for a
According to Zagat’s latest edition, the average cost for a dinner at better restaurants in the US is $ 35.37. In a survey of 36 randomly selected local restaurants, you find the average cost for a dinner is $ 32.80. Is this sample result sufficient to make the case that the local average is less than Zagat’s national average of $35.37? Use a significance level of 5% and assume the local population standard deviation is $ 6.60. Report the p value for this sample result and explain what it means.
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