To find the mean life span of the farm animals, we first need to add up all the life spans and then divide by the number of animals.
The life spans are:
- Chicken: 7 years
- Duck: 10 years
- Horse: 22 years
- Pig: 10 years
- Sheep: 12 years
- Cow: 10 years
- Goat: 12 years
Now, let’s add these together:
7 + 10 + 22 + 10 + 12 + 10 + 12 = 93 years
Next, we count the number of animals:
There are 7 animals.
Now, we divide the total life span by the number of animals to find the mean:
Mean = Total Life Span / Number of Animals Mean = 93 / 7 ≈ 13.29 years
Thus, none of the provided responses (10 years, 11.9 years, 12 years, 15 years) are correct as the mean life span is approximately 13.29 years.
1 answer