Question: Jane has just begun her new job as on the sales force of a very competitive company. In a sample of 22 sales calls it

Jane has just begun her new job as on the sales force of a very competitive company. In a sample of 22 sales calls it was found that she closed the contract for an average value of 93.44 dollars with a standard deviation of 29.74 dollars. What is the test statistics to test the hypothesis that the population mean is at least 102.99 dollars against the alternative that the population mean is less than 102.99 dollars?

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