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What would be the cutoff score to indicate a score that is in the top 15% of the scores on a test with a mean of 100 and a standard deviation of 15?
This question has multiple parts.
Use the following information to answer the questions below:
Spatial Ability Test Musical Ability Test
Mean 80 74
Standard Deviation 6 3
Raw Scores Spatial Ability Musical Ability
Juan 82 80
Lucinda 86 77
A. On which test did Juan do better?
B. On which test did Lucinda do better?
C. James had a z score of -1.2 on the spatial ability test. What was his score?
D. Ming Lee had a z score of +1.56 on the musical ability test. What was her score?
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simplified formulae
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Uses Arithmetic mean is widely used because of the following reasons: Mean is the simplest average to understand and easy to compute. It
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