In Jack's class, 18 of the students are tall and 10 are short. In Michael's class 54 student are tall and 30 students are short. Which class has a higher ratio of tall to short students.

What situation is an example of an observational study

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?