The first class in a relative frequency table is 50–59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?

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20% of the scores are in that interval.

In a relative frequency table, the value 0.2 indicates the proportion or percentage of data points that fall into a specific class interval. Specifically, in this case, the class interval is 50-59, and the relative frequency of 0.2 means that 20% of the total data points fall into this interval.

To calculate the relative frequency, you divide the frequency of the class (the number of data points in the class) by the total number of data points. In this case, the relative frequency of 0.2 means that 20% of the data points fall into the 50-59 class.

To find the relative frequency, you need to know the frequency of the class (the number of data points in the class) as well as the total number of data points in the dataset.