Look at the following table below. Class intervalClass mark0−55−10 – InterviewSolution

1.	Look at the following table below. Class intervalClass mark0−55−1010−1515−20 The class-mark for the first and second class intervals are:
Answer» Look at the following table below. $\begin{matrix} C l a s s i n t e r v a l & C l a s s m a r k 0 - 5 5 - 10 10 - 15 15 - 20 \end{matrix}$ The class-mark for the first and second class intervals are:

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