Independent Samples t Test. The Independent Samples t Test compares the means of two independent groups in order to determine whether there is statistical evidence that the associated population means are significantly different. The Independent Samples t Test is a parametric test.he calculated t value is then compared to the critical t value from the t distribution table with degrees of freedom df = n 1 + n 2 - 2 and chosen confidence level. If the calculated t t value, then we reject the null hypothesis. Note that this form of the independent samples T test statistic assumes equal variances.
1. Five states are responsible for almost half of NFL draft picks. In the past three NFL drafts, players from Florida, Texas, California, Georgia and Ohio made up 47.3% of the 763 players selected. In 2013, the percentage was 51.3%. 2. Mobile has the most draft picks per capita.
However, the concentration of black players in the NBA is slightly higher than that of the NFL. Also, there are nearly 10% more white players in the NFL than there are in the NBA. Here is one you may not have been expecting. NBA players make more than 2.5 times as much as NFL players annually.With 82 NBA games a year vs the NFLâs 16, this does make some sense, and the following chart clears things up a little bit. As far as pay per time playing, the NBA still edges out the NFL, but they are really quite close when compared this way.owever, the concentration of black players in the NBA is slightly higher than that of the NFL. Also, there are nearly 10% more white players in the NFL than there are in the NBA. Here is one you may not have been expecting. NBA players make more than 2.5 times as much as NFL players annually.