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Why can beta = 1/40 balance collections of very different sizes?
Question: In one to three sentences, state the total-weight effect of beta = 1/40 on the 5,000 mobile images and 200,000 internet images.
Sample answer: Beta = 1/40 down-weights the auxiliary internet-image sum so that the 200,000 internet images receive the same total weight as the 5,000 mobile images.
Key points:
- The collections receive equal total weight.
- Beta applies to the auxiliary internet-image data.
Rubric: The answer must state that beta = 1/40 produces equal total weight across the two collections and identify the internet images as auxiliary data.
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