Consider the Rufus School activities-data shown below : Basketball Chess club Jazz Band Not involved Total Males $20$ $2$ $8$ $10$ $40$ Females $20$ $10$ $10$ $20$ $60$ Total $40$ $12$ $18$ $30$ $100$ Prepare bivariate table with relative frequency. Based on bivariate table with relative frequency, what is the relative frequency of students not involved in any activity?

Relative frequency is calculated by dividing the frequency of the desired category by the total number of observations. The frequency of students not involved in any activity is 30 and the total number of students is 100. Dividing 30 by 100 gives a relative frequency of 0.300.

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