Ask Question
18 July, 02:10

The results of a common standardized test used in psychology research is designed so that the population mean is 135 and the standard deviation is 30. A subject earns a score of 198. What is the z-score for this raw score?

z-score=

+3
Answers (1)
  1. 18 July, 05:20
    0
    2.1

    Step-by-step explanation:

    Mean+z score (Standard deviation) = raw score

    Let the z score be z

    135+z (30) = 198

    30z=63

    z=2.1
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “The results of a common standardized test used in psychology research is designed so that the population mean is 135 and the standard ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers