anonymous
  • anonymous
One way to measure the ability to find one’s way in an environment is to ask people to rate themselves on a Sense of Direction scale. In a sample of college students, including yourself, the mean rating of sense of direction is 30, with a standard deviation of 10. If your rating is 20, what is your z-score
Mathematics
jamiebookeater
  • jamiebookeater
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phi
  • phi
\[z= \frac{x-\mu}{\sigma}\] \( \mu \) is the mean (30 in this problem)\) \( \sigma \) is the standard deviation (10 here) x is 20 in this problem

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