To evaluate the claims using relative frequencies, we can calculate the proportion of students in each grade who prefer hip-hop and pop.
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For 10th Graders:
- Total 10th Graders = 165
- Hip-Hop preference = 112
- Pop preference = 53
Relative frequency for 10th Graders who like hip-hop: \[ \text{Relative frequency for hip-hop} = \frac{112}{165} \approx 0.6788 \text{ (or 67.88%)} \]
Relative frequency for 10th Graders who like pop: \[ \text{Relative frequency for pop} = \frac{53}{165} \approx 0.3212 \text{ (or 32.12%)} \]
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For 11th Graders:
- Total 11th Graders = 245
- Hip-Hop preference = 98
- Pop preference = 147
Relative frequency for 11th Graders who like hip-hop: \[ \text{Relative frequency for hip-hop} = \frac{98}{245} \approx 0.4 \text{ (or 40%)} \]
Relative frequency for 11th Graders who like pop: \[ \text{Relative frequency for pop} = \frac{147}{245} \approx 0.6 \text{ (or 60%)} \]
Now, let's evaluate each statement:
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If you like hip-hop, you are almost equally likely to be from 10th or 11th grade.
- Hip-Hop: Students = 112 (10th) and 98 (11th).
- Proportion: \( \frac{112}{210} \) (10th) and \( \frac{98}{210} \) (11th) gives \(\approx 0.532\) for 10th and \(\approx 0.467\) for 11th. This statement is true.
-
If you like pop, you are more likely to be a 10th grader.
- Pop: Students = 53 (10th) and 147 (11th).
- Proportion: \( \frac{53}{200} \) (10th) and \( \frac{147}{200} \) (11th). Clearly, 147 (11th) is greater. This statement is false.
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If you are a 10th grader, you are more likely to prefer pop.
- Pop preference = 32.12% (10th) compared to 60% (11th). 10th graders are more likely to prefer hip-hop. This statement is false.
-
If you are an 11th grader, you are more likely to prefer hip-hop.
- Hip-Hop preference for 11th Graders is 40%, and for pop, it is 60%. Therefore, 11th graders are more likely to prefer pop. This statement is false.
Conclusion:
The correct statement is: If you like hip-hop, you are almost equally likely to be from 10th or 11th grade.