Concept explainers
The comparison that is useful for the local newspapers distributions of SAT scores.
- Back to back stemplotes A and B.
- A
scatter plot of A verse B. - Two dotplots for A and B drawn on the same rule.
- Two relative frequency histograms of A and B drawn on the same rule.
- Two bar graphs for A and B drawn on the same scale.
Answer to Problem AP3.9CPT
The correct option is (d)two relative frequency histograms of A and B drawn on the same rule.
Explanation of Solution
Since both of the schools populations has the different number of students, the relative frequency histogram is standardize the number of people as per the individual school amd make it more efficient at the comparing populations as well as understanding.
The distribution understanding than the frequency histograms and infinitely better than a stemplotes.
So when as having the big data stem and leaf plots are not as much useful. SAT scores are numerical and ordinal a histogram would be much efficient and better.
Conclusion:
Hence, the correct option is (d)two relative frequency histograms of A and B drawn on the same rule.
Chapter 10 Solutions
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