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Adding One Observation
If a new observation $$a$$ is added to $$n$$ observations:
$$\bar{x}_{new}=\frac{n\bar{x}+a}{n+1}$$
Usage
- Used when one additional data value is included.
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Adding One Observation
If a new observation $$a$$ is added to $$n$$ observations:
$$\bar{x}_{new}=\frac{n\bar{x}+a}{n+1}$$
Usage
- Used when one additional data value is included.
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