California Assessment of Student Performance and Progress (CAASPP) Math Practice Exam

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Which of the following is true about the mode of a dataset?

A dataset can have at most one mode
A dataset cannot have a mode
A dataset can have more than one mode
Both A and C are true

The correct answer is: Both A and C are true

The mode of a dataset refers to the value that appears most frequently within that dataset. It's important to understand that: - A dataset can indeed have more than one mode, meaning it can be bimodal (two modes) or multimodal (more than two modes) if multiple values have the highest frequency of occurrence. - However, it’s also possible for a dataset to have no mode at all, particularly if all values appear with the same frequency. Given these points, both the aspect of having at most one mode and the possibility of having more than one mode are correct. This means that multiple modes can exist within a single dataset, while a unique scenario exists where no mode is present. Therefore, acknowledging that both one mode and multiple modes are valid statements leads to the conclusion that the provided answer correctly reflects the characteristics of modes in datasets.