MATH 1040 - Introduction to Statistics

Practice Question 9.2.1

A survey was conducted to find out people’s preferred type of pet. The results are as follows:

Pet Type People who prefer pet
Dogs 40 people
Cats 25 people
Birds 10 people
Fish 15 people
Reptiles 10 people

Answer to Practice Question 9.2.1

A total of 100 people were questioned.

Pet Type Count Relative Frequency
Dogs 40 40/100 = 0.400 = 40.0%
Cats 25 25/100 = 0.250 = 25.0%
Birds 10 10/100 = 0.100 = 10.0%
Fish 15 15/100 = 0.150 = 15.0%
Reptiles 10 10/100 = 0.100 = 10.0%