Which measures of a data set describe how its values vary with a single number? I. mean

II. median

III. interquartile range

IV. mean absolute deviation

A. I and II

B. II and III

C. III and IV

D. I, II, III, and IV

What is the range? can’t seem to find it out

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

Question 3(multiple choice worth 1 points) use the arc length formula and the given information to find r. s = 16 cm, θ = 48°; r = ? sixty divided by pi cm thirty divided by pi cm one third cm one hundred twenty divided by pi cm