The data from two samples of 100 students regarding what pet they own is given below.

Question

Dog:
sample 1: 54
sample 2: 39

Cat:
sample 1: 38
sample 2: 49

Bird:
sample 1: 8
sample 2: 12

Total:
sample 1: 100
sample 2: 100
Based on the two samples, what percentage of students own a bird as a pet?

(1 point)
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Answer 1

To calculate the percentage of students who own a bird as a pet based on the two samples, we first need to find the total number of students who own birds in both samples combined.

Sample 1: Bird owners = 8

Sample 2: Bird owners = 12

Total bird owners = 8 (from sample 1) + 12 (from sample 2) = 20

Next, we find the total number of students surveyed from both samples: Total students = 100 (sample 1) + 100 (sample 2) = 200

Now, we calculate the percentage of students who own a bird:

\[ \text{Percentage of bird owners} = \left( \frac{\text{Total bird owners}}{\text{Total students}} \right) \times 100 \]

\[ \text{Percentage of bird owners} = \left( \frac{20}{200} \right) \times 100 = 10% \]

Thus, the percentage of students who own a bird as a pet is 10%.