To find the relative frequency of 7th graders who prefer dogs, we first need to determine the total number of 7th graders surveyed.
From the table, we see the following for 7th graders:
- Prefers Cats: 36
- Prefers Dogs: 8
- No Preference: 2
Now, we calculate the total number of 7th graders:
Total 7th graders = Prefers Cats + Prefers Dogs + No Preference Total 7th graders = 36 + 8 + 2 = 46
Next, we find the number of 7th graders who prefer dogs:
Number of 7th graders who prefer dogs = 8
Now, we calculate the relative frequency of 7th graders who prefer dogs:
Relative frequency = (Number of 7th graders who prefer dogs) / (Total number of 7th graders) Relative frequency = 8 / 46
To express this as a percentage, we multiply by 100:
Relative frequency percentage = (8 / 46) × 100 ≈ 17.39%
Rounding to the nearest tenth gives us:
17.4%
So the answer is 17.4%.