Question

The histogram shows the times students ran the mile in gym class.Running a Mile5 - 1613 - 1411 - 12Time (minutes)149-101210Studentsc. What percent of students ran the mile in 12 minutes or less?b. How many students are in the class?a. Which interval contains the fewest data values?

Answer 1

Given:

The histogram shows the time students ran the mile in gym class.

Explanation:

a) To find: The interval contains the fewest data values.

The interval which contains the fewest data values is 9-10, Because, it has the data value 2.

Answer: The interval 9-10

b) To find: The number of students in the class.

The number of students in the interval 9-10 is 2.

The number of students in the interval 11-12 is 12.

The number of students in the interval 13-14 is 11.

The number of students in the interval 15-16 is 9.

So, the total number of students is 34.

c) To find: The percent of students who ran the mile in 12 minutes or less.

The number of students who ran the mile in 12 minutes or less is,

$2+12=14$

Then the percent of students who ran the mile in 12 minutes or less is,

$\frac{14}{34}=41\text{ \%}$

Answer: The percentage is 41%.