A. Given the following frequency distribution, answer the questions below. Achievement Test Results in Mathematics 3 Class Interval Frequency 28 - 30 1 25 - 27 3 22 - 24 9 19 - 21 13 16 - 18 22 13 - 15 11 10 - 12 8 7 - 9 5 4 - 6 2 0 - 3 1 1. Add a third column and make the cumulative frequency.
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Cumulative frequency is the running total of the frequencies. On a graph, it can be represented as a cumulative frequency curve. Here is how we can add a third column for cumulative frequency: Class Interval | Frequency | Cumulative Frequency --- | --- | --- 28 Show more…
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