“Children whose parents smoke in their presence are more likely to develop asthma than children whose parents do not smoke in their presence.” How many tails should be used when looking up the t test statistic for this study?
Question 1 (1 point) 1. It is possible to calculate a two-sample t test even if we do not know the two population means. True False 2. In a two-sample t test with sample sizes of 30 in each sample, there are 28 degrees of freedom True False 3. The hypothesis testing procedures for comparing […]