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RRB ALP Statistics — practice questions

2 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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If the arithmetic mean of the series x₁, x₂, …, xₙ is 1, then the arithmetic mean of x₁/k, x₂/k, …, xₙ/k (k > Find the LCM of the mode, median and mean of the data: 7, 2, 10, 4, 3, 12, 8, 4, 6, 4.