Concept explainers
a.
To find: The number of students who were surveyed.
a.
Answer to Problem 22S
26 students were surveyed.
Explanation of Solution
Given information:The table shows the number of pets owned by students in Mr. Hinkel’s class.
Number of pets | Frequency |
0-2 | 13 |
3-5 | 7 |
6-9 | 5 |
10-12 | 0 |
13-15 | 1 |
Here, frequency indicates the number of students surveyed.
The table shows 13 students own 0-2 pets, 7 students own 3-5 pets, 5 students own 6-9 pets, no student owns 10-12 pets and 1 student owns 13-15 pets.
Then, number of students surveyed
Conclusion:
Thus,26 students were surveyed.
b.
To find:The number of students who have more than five pets.
b.
Answer to Problem 22S
6 students have more than 5 pets.
Explanation of Solution
Given information:The table shows the number of pets owned by students in Mr. Hinkel’s class.
Number of pets | Frequency |
0-2 | 13 |
3-5 | 7 |
6-9 | 5 |
10-12 | 0 |
13-15 | 1 |
Calculation:The table shows 5 students own 6-9 pets, no student owns 10-12 pets and 1 student owns 13-15 pets.
Thus, the number of students who own more than 5 pets
Conclusion:
6 students have more than 5 pets.
Chapter 13 Solutions
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