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StatisticsQ&A LibraryA group takes a Personality test of Extraversion and they all take the test. They find that the group has a mean score of 50 with a Standard Deviation of 10. Bill has a score of 32 wants to know how many standard deviations he is away from the mean. Calculate his z-score. The answer is -1.79 (with margin: -1.81) how do I calculate the Z-core?Question

A group takes a Personality test of Extraversion and they all take the test. They find that the group has a mean score of 50 with a Standard Deviation of 10. Bill has a score of 32 wants to know how many standard deviations he is away from the mean. Calculate his z-score.

The answer is -1.79 (with margin: -1.81)

how do I calculate the Z-core?

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