Consider the Following Frequency Distribution What Is the Cumulative Frequency of the Second Class Interval

question 75

Multiple Choice

Consider the following frequency distribution: $$\begin{array} { l c } \text { Class Interval } & \text { Frequency } \\10 \text {-under } 20 & 15 \\20 \text {-under } 30 & 25 \\30 \text {-under } 40 & 10\end{array}$$
What is the cumulative frequency of the second class interval?

• A)25
• B)40
• C)15
• D)50

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