The relative frequency for the class with lower class limit 15 is:
R = 10/41 = 0.244
How to find the relative frequency?
Let's suppose you have a set of N elements, such that K of these N elements has a given property.
Then the relative frequency for the elements with that given property is:
R = K/M
By looking at the table, we can see that the total number of students is:
T = 10 + 6 + 5 + 9 + 3 + 8 = 41
And 10 belong to the class with the lower class limit 15, then the relative frequency for that class is:
R = 10/41 = 0.244
If you want to learn more about relative frequency:
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