Lemma
MediumAverages
AQuA-RAT train #83541 · Arithmetic · Averages

M is a certain set of numbers with an average (arithmetic mean)…

M is a certain set of numbers with an average (arithmetic mean) of 10 and a standard deviation of 0.5. Q is a subset of M consisting of 5 terms. Exactly 80% of the numbers in Q are located within 2 standard deviations from the average of M. Which of the following could Q be?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #83541

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