Which type of scores can be converted to whole numbers through rounding?

The correct answer is continuous scores. Continuous scores can take on any value within a given range and are often measured on a scale that includes decimals. When a continuous score is rounded, it can be converted to a whole number, depending on the rounding rules applied. For example, a score of 4.7 can be rounded to 5, showcasing the nature of continuous data allowing for such transformations.

In contrast, discrete scores represent countable quantities, such as the number of students in a class, and are typically already whole numbers from the outset. Nominal scores categorize data without a specific order or ranking, like gender or ethnicity, and do not involve numeric values that can be rounded. Ordinal scores represent ordered categories, such as rankings, but again, they do not imply a continuous measurement that allows for fractional values that need rounding. Thus, while both ordinal and nominal scores involve ranking and categorization, respectively, they do not lend themselves to conversion into whole numbers through rounding as continuous scores do.