Lemma
MediumAverages
AQuA-RAT train #16276 · Arithmetic · Averages

A certain list of 200 test scores has an average (arithmetic mean)…

A certain list of 200 test scores has an average (arithmetic mean) of 80 and a standard deviation of d, where d is positive. Which of the following two test scores, when added to the list, must result in a list of 202 test scores with a standard deviation less than d ?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #16276

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