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 6.5 hours per day.
(type an integer or decimal rounded to one decimal place as needed.)

(b) what percent of the students studied more than 4.5 hours per day?

about of the students studied more than 4.5 hours per day.

40%
90%
60%
10%
75%
25%
50%

Explanation:

Find the third quartile from the dataset

Using the Five-Number Summary and Box-and-Whisker Plot knowledge points

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Calculate the percentage of students studying more than 4.5 hours

Using the Box-and-Whisker Plot and Percentiles and Quantiles knowledge points

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Answer:

Question 1

About 75% of the students studied no more than <blank>6.5</blank> hours per day.

Question 2

About <blank>50%</blank> of the students studied more than 4.5 hours per day.