Question: need help please 9. A population with a mean 10. A population of N = 15 scores has a mean of u = 8. One

need help please 9. A population with a mean 10. A

need help please

9. A population with a mean 10. A population of N = 15 scores has a mean of u = 8. One score in the population is changed from X = 20 to X = 5. What is the value for the new population mean

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