Answer Happy

In 2021, a sample of 400 high school seniors was randomly taken from Virginia (VA) and Maryland (MD) and each of their math SAT scores was recorded. The U.S. average for the math section on the 2021 SAT was 528 (out of a total of 800). We would like to know if Virginia high school seniors scored better than the average U.S. high school senior at the 5% significance level. This data comes from the National Center for Education Statistics.
State the observed statistic from the sample data we will use to complete this test.
40 30 20 10 0 Left Tail Two-Tail Right Tail 527.8 527.9 528.0 null-528 528.1 528.2 samples-1000 mean - 328.091 std. error-0.105 www. .. 528.3 528.4