Mathematics, 09.12.2020 17:30 edjiejwi

Ibrahim has two lists of numbers. The mean of the numbers in the first list is p. The mean of the numbers in the second list is q. Ibrahim combines the two lists into one new list of numbers. Ibrahim says ‘The mean of the new list of numbers is equal to (p+q)/2 .' One of two conditions must be satisfied for Ibrahim to be correct. (b) Write down each of these conditions.

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Ibrahim has two lists of numbers. The mean of the numbers in the first list is p. The mean of the nu...