Define comparison of exam scores based on their z scores, Physics

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Define comparison of exam scores based on their z scores

Comparison of exam scores based on their Z scores.

1. For a sample with the standard deviation of 10, a score of X = 44 corresponds to a z-score of 0.50. Based on this info, what is the sample mean?

2. Which of the following exam scores must lead to the better grade? Describe the answer.

A. A score of X = 55 on an exam that has a mean of 60 and a standard deviation of 5.

B. A score of X = 40 on an exam that has a mean of 50 and a standard deviation of 20.

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Physics: Define comparison of exam scores based on their z scores

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Physics: Define comparison of exam scores based on their z scores

Reference No:- TGS018047

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