Ask Question
12 July, 18:15

A random sample of n=9 scores is obtained from a population with μ=50 and σ=9. If the sample mean is M=53, what is the z-score corresponding to the sample mean?

+3
Answers (1)
  1. 12 July, 18:31
    0
    The z-score corresponding to the sample mean is 1

    Step-by-step explanation:

    z-score = (sample mean - population mean) : (sd/√n)

    sample mean = 53, population mean = 50, sd = 9, n = 9

    z-score = (53 - 50) : (9/√9) = 3:3 = 1
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “A random sample of n=9 scores is obtained from a population with μ=50 and σ=9. If the sample mean is M=53, what is the z-score ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers