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Mean of Grouped Data
For class marks $$x_i$$ and frequencies $$f_i$$:
$$\bar{x}=\frac{\sum f_ix_i}{N}$$
where:
$$N=\sum f_i$$
Usage
- Used to calculate the approximate mean of grouped data.
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Mean of Grouped Data
For class marks $$x_i$$ and frequencies $$f_i$$:
$$\bar{x}=\frac{\sum f_ix_i}{N}$$
where:
$$N=\sum f_i$$
Usage
- Used to calculate the approximate mean of grouped data.
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