Asked by John
Record 7 digits (0-9) in ascending order that have a mean of 3 and a median of 1.
Explain how to come up with the answer as well please and thank you.
Explain how to come up with the answer as well please and thank you.
Answers
Answered by
PsyDAG
Mean = ∑x/n
3 = ∑x/7
∑x = 21, so the 7 digits must add to 21.
Half must be ≥ 1 and half ≤ 1, the median.
I assume you can have digits repeated. Seems like you will have multiples of 0 and/or 1.
You will have to explore the alternatives, but this should give you a start.
3 = ∑x/7
∑x = 21, so the 7 digits must add to 21.
Half must be ≥ 1 and half ≤ 1, the median.
I assume you can have digits repeated. Seems like you will have multiples of 0 and/or 1.
You will have to explore the alternatives, but this should give you a start.
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