Author Question: In a survey, students are asked how many hours they study in a typical week. A five-number summary ... (Read 85 times)

robinn137 · **on:** Jul 24, 2018

In a survey, students are asked how many hours they study in a typical week. A five-number summary of the responses is: 2, 9, 14, 20, 60 . Fill in the blank in the following sentence. About 75 of the students spent at least ____ hours studying in a typical week.
a. 9
b. 14
c. 20
d. 45

Question 2

In a survey, students are asked how many hours they study in a typical week. A five-number summary of the responses is: 2, 9, 14, 20, 60 . Which interval describes the number of hours spent studying in a typical week for about 50 of the students sampled?
a. 2 to 9
b. 9 to 14
c. 9 to 20
d. 14 to 20