Question

the data show the number of hours spent studying per day by a sample of 28 students. use the box-and-whisker plot below to answer parts (a) through (c) below.

1 11 3 1 2 5 1 0 6 2
7 4 9 1 9 0 5 5 6
3 3 2 5 7 5 3 7 7

click the icon to view the box-and-whisker plot.

(a) about 75% of the students studied no more than how many hours per day?

about 75% of the students studied no more than 6 hours per day.
(type an integer or decimal rounded to one decimal place as needed.)

Explanation:

Sort the dataset

Using the Five-Number Summary knowledge point

$$ \text{Sorted data: } 0, 0, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 4, 5, 5, 5, 5, 5, 6, 6, 7, 7, 7, 7, 9, 11 $$

Find the third quartile

Using the Box-and-Whisker Plot knowledge point

$$
LATEXBLOCK0
$$

Answer:

(a) About 75% of the students studied no more than how many hours per day?

About 75% of the students studied no more than <blank>6</blank> hours per day.
(Type an integer or decimal rounded to one decimal place as needed.)