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What causes chromatic aberration in the objective lens of a telescope?
After-School Program
Structured programs provided for children and youth after school hours, offering activities such as sports, arts, and homework assistance to support their development and learning.
Efficacy
The ability to produce a desired or intended result.
Selection Bias
A distortion in statistical or experimental results due to a non-random selection of data or participants, leading to inaccurate conclusions.
Random Sample
A subset of individuals chosen from a larger set where each individual has an equal chance of being selected.
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