Difference of Means Test. A sample of seniors taking the SAT in Connecticut in 2015 revealed the following results for the math portion of the exam by Race (Asian versus White) Calculate the difference as Asians - Whites. We will assume equal variances. We will use an alpha level of .05. We will test to see if the two means are different from each other. Asian White Mean 594 536 Std Dev 130 107 N 22 50 What is the Difference of the mean level of Math SAT scores between Asians and Whites? This will be a whole number