. Why are population mean and population proportions reported as estimates in
studies?
• How does a histogram indicate a normal distribution?
How could you use a dot plot or stem-and-leaf plot to indicate a normal distribution?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?