Calculate the margin of error of a confidence interval for the difference between two population means using the given information. Round your answer to six decimal places.

σ1=5.67, n1=77, σ2=8.78, n2=64, α=0.05

ANSWER: 2.496231

The seventh-grade students at charleston middle school are choosing one girl and one boy for student council. their choices for girls are michaela (m), candice (c), and raven (r), and for boys, neil (n), barney (b), and ted (t). the sample space for the combined selection is represented in the table. complete the table and the sentence beneath it.