📅 NSB 2015🎓 HS🔄 Round 13#️⃣ Q15❓ TOSS-UP✍️ Short Answer
Consider two lists of numbers, A and B, each with mean 10, that have a correlation coefficient r equal to 0.5. If all members of A are multiplied by 4 and all members of B are reduced by 7, what is the value of r for the two new lists?
✔️Answer:0.5
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