Given a grouped data with class frequencies 5, 12, 8 for three classes, what is the total number of observations?

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Multiple Choice

Given a grouped data with class frequencies 5, 12, 8 for three classes, what is the total number of observations?

Explanation:
In grouped data, the total number of observations is found by adding up the frequencies across all classes because each observation falls into exactly one class. Here, the frequencies are 5, 12, and 8, so the total is 5 + 12 + 8 = 25. Therefore, there are 25 observations.

In grouped data, the total number of observations is found by adding up the frequencies across all classes because each observation falls into exactly one class. Here, the frequencies are 5, 12, and 8, so the total is 5 + 12 + 8 = 25. Therefore, there are 25 observations.

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