Use α = 0.05 to test whether the mean percentage of 17- to 24-year-olds who are attending college is the same for the four geographic regions. state the null and alternative hypotheses. h0: μn = μm = μs = μw ha: μn ≠ μm ≠ μs ≠ μw h0: μn = μm = μs = μw ha: not all the population means are equal. h0: at least two of the population means are equal. ha: at least two of the population means are different. h0: μn ≠ μm ≠ μs ≠ μw ha: μn = μm = μs = μw h0: not all the population means are equal. ha: μn = μm = μs = μw

Eight people were asked what the balance of their savings account at the beginning of the month was and how much it increased or decreased by the end of the month. create a scatter plot that represents the data that is shown in the table. the x-axis represents the beginning balance in thousands of dollars and the y-axis represents the change in the savings account in hundreds of dollars. name beginning balance (in thousands of dollars) change in savings account (in hundreds of dollars) jimmy 5 3 kendra 4 7 carlos 5 4 yolanda 3 1 shawn 2 5 laura 3 2 andy 5 6 georgia 4 3

Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.

Ray ce is the angle bisector of zacd, which statement about the figure must be true? mzecd-mzecb mzace « 4mzacd zace - zdcb zecd zacd save and exit