13.1 We are interested in whether men and women are of the same age when they start a business. Theoretical considerations and previous studies lead us to assume that men are older than women on average. Perform the test by hand at the 10%

significance level, taking into account all relevant steps. The following values are available: x¯m = 34.77,sm = 7.55, nm = 65, x¯f = 33.29,sf = 7.76, nf = 35.