Suppose a professor splits their class into two groups: students whose last names begin with a-k and students whose last names begin with l-z. if p1 and p2 represent the proportion of students who have an iphone by last name, would you be surprised if p1 did not exactly equal p2? if we conclude that the first initial of a student's last name is not related to whether the person owns an iphone, what assumption are we making about the relationship between these two variables?

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

The coordinates of a, b, and c in the diagram are a(p,4), b(6,1), and c(9,q). which equation correctly relates p and q? hint: since is perpendicular to , the slope of × the slope of = -1. a. p - q = 7 b. q - p = 7 c. -q - p = 7 d. p + q = 7

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl