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A statewide real estate sales agency, Farm Associates, specializes in selling farm property in state of Nebraska. Its records point out that the mean selling time of farm property is 90 days. Due to recent drought conditions, the agency thinks that the mean selling time is now greater than 90 days. A statewide survey of 100 farms sold recently revealed that the mean selling time was 94 days, with the standard deviation of 22 days. At the .10 significance level, has there been the raise in selling time?

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