SOLUTION: A population of scores has a mean of 42.In this population, and X value of 40 corresponds to a z = -0.50. What is the population standard deviation?

SOLUTION: A population of scores has a mean of 42.In this population, and X value of 40 corresponds to a z = -0.50. What is the population standard deviation?

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Question 359064: A population of scores has a mean of 42.In this population, and X value of 40 corresponds to a z = -0.50. What is the population standard deviation?

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use the z score,

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