Determine the value of the t?statistic for this test. Give your answer to three decimal places.
Lucy is using a one—sample t—test based on a simple random sample of size n = 14 to test the null hypothesis H0: at = 42.000 em against the alternative H1 : ,u < 42.000 em. The sample has mean :7 = 43.429 em and standard deviation is s = 1.23?" cm.





