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A random sample of 5 students was selected to take the GRE. Their scores are: 160, 175, 163, 149, 158 What is the z-score corresponding

A random sample of 5 students was selected to take the GRE. Their scores are:

160, 175, 163, 149, 158

What is the z-score corresponding to the sample mean of these students' scores? (Round your answer to 3 decimal places. Example: If the answer is 0.8976 then you would enter 0.898 in the answer box.)

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