A market research company is comparing two populations. The two independent samples drawn from the different populations. The first has a sample size of 7, a sample mean of 23.6 and a sample standard deviation of 1.4. The second has a sample size of 12, a sample mean of 25.1 and a sample standard deviation of 4.1. Assume that the two populations' standard deviations are not known and equal. Calculate the amount of t-test statistic for testing H0: 1-2>0 Calculate and enter number 1 if we can conclude sufficient evidence to reject H0: 1-2>0 based on one-tailed test of the hypothesis with a significance level of 0.25; otherwise enter number 2, if we cannot reject H0