Question: Given the following population : [2 4 8 9 12]. Please calculate the z -score that belongs to the value '9'. Round to two decimals.

Given the following population: [2 4 8 9 12]. Please calculate the z-score that belongs to the value '9'. Round to two decimals.

Consider a population of raw scores with a standard deviation of 2.0. At z = 1.96 we find a raw score of 4.92. What is the mean of this population?

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