1. Jane has just begun her new job in the sales force of a very competitive company. In a sample of 31 sales calls it was found that she closed the contract for an average value of 94.30 dollars with a standard deviation of 25.10 dollars, What is the test statistic to test the hypothesis that the population mean is at least 98.20 dollars against the alterative that the population mean

is less than 98.20 dollars?

Please send me answer in typed form strictly prohibited handwritten solution.