Answer:
i. 5 people
ii. Mean number of pets = 2
Explanation:
i. From the information given in the question, the number of people surveyed by Edward is 5.
The first person has no pet, the second has 1 pet, the third has 2 pets, the fourth has 3 pets and the fifth has 4 pets.
ii. The mean number of pets is the average number of pets among the people.
The mean number of pets =
=
=
mean number of pets = 2
The mean number of pets is 2.